Home / 5,429.67-7,489.92-3,751.95

Finding the Fourth Proportional to 5,429.67, 7,489.92 and 3,751.95

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Solution

The fourth proportional to 5,429.67, 7,489.92 and 3,751.95 is: 5,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.67 : 7,489.92 = 3,751.95 : x
  2. Step 2: Convert to fraction form
    5,429.67/7,489.92 = 3,751.95/x
  3. Step 3: Cross multiply
    5,429.67x = 7,489.92 × 3,751.95
  4. Step 4: Simplify right side
    5,429.67x = 28,101,805.34
  5. Step 5: Solve for x
    x = 28,101,805.34/5,429.67
  6. Step 6: Final answer
    x = 5,175.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.