Home / 7,333.10-10,999.55-1,786.45

Finding the Fourth Proportional to 7,333.10, 10,999.55 and 1,786.45

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Solution

The fourth proportional to 7,333.10, 10,999.55 and 1,786.45 is: 2,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.10 : 10,999.55 = 1,786.45 : x
  2. Step 2: Convert to fraction form
    7,333.10/10,999.55 = 1,786.45/x
  3. Step 3: Cross multiply
    7,333.10x = 10,999.55 × 1,786.45
  4. Step 4: Simplify right side
    7,333.10x = 19,650,082.17
  5. Step 5: Solve for x
    x = 19,650,082.17/7,333.10
  6. Step 6: Final answer
    x = 2,679.64

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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.