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Finding the Fourth Proportional to 7,003.19, 10,504.79 and 1,809.06

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Solution

The fourth proportional to 7,003.19, 10,504.79 and 1,809.06 is: 2,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.19 : 10,504.79 = 1,809.06 : x
  2. Step 2: Convert to fraction form
    7,003.19/10,504.79 = 1,809.06/x
  3. Step 3: Cross multiply
    7,003.19x = 10,504.79 × 1,809.06
  4. Step 4: Simplify right side
    7,003.19x = 19,003,795.40
  5. Step 5: Solve for x
    x = 19,003,795.40/7,003.19
  6. Step 6: Final answer
    x = 2,713.59

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.