Home / 10,330.28-15,503.60-3,758.36

Finding the Fourth Proportional to 10,330.28, 15,503.60 and 3,758.36

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Solution

The fourth proportional to 10,330.28, 15,503.60 and 3,758.36 is: 5,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.28 : 15,503.60 = 3,758.36 : x
  2. Step 2: Convert to fraction form
    10,330.28/15,503.60 = 3,758.36/x
  3. Step 3: Cross multiply
    10,330.28x = 15,503.60 × 3,758.36
  4. Step 4: Simplify right side
    10,330.28x = 58,268,110.10
  5. Step 5: Solve for x
    x = 58,268,110.10/10,330.28
  6. Step 6: Final answer
    x = 5,640.52

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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.