Home / 7,430.73-11,146.10-3,537.87

Finding the Fourth Proportional to 7,430.73, 11,146.10 and 3,537.87

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Solution

The fourth proportional to 7,430.73, 11,146.10 and 3,537.87 is: 5,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.73 : 11,146.10 = 3,537.87 : x
  2. Step 2: Convert to fraction form
    7,430.73/11,146.10 = 3,537.87/x
  3. Step 3: Cross multiply
    7,430.73x = 11,146.10 × 3,537.87
  4. Step 4: Simplify right side
    7,430.73x = 39,433,435.12
  5. Step 5: Solve for x
    x = 39,433,435.12/7,430.73
  6. Step 6: Final answer
    x = 5,306.81

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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.