Home / 7,077.12-10,615.67-1,883.00

Finding the Fourth Proportional to 7,077.12, 10,615.67 and 1,883.00

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Solution

The fourth proportional to 7,077.12, 10,615.67 and 1,883.00 is: 2,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.12 : 10,615.67 = 1,883.00 : x
  2. Step 2: Convert to fraction form
    7,077.12/10,615.67 = 1,883.00/x
  3. Step 3: Cross multiply
    7,077.12x = 10,615.67 × 1,883.00
  4. Step 4: Simplify right side
    7,077.12x = 19,989,244.12
  5. Step 5: Solve for x
    x = 19,989,244.12/7,077.12
  6. Step 6: Final answer
    x = 2,824.49

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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.