Home / 5,428.27-7,490.14-3,302.65

Finding the Fourth Proportional to 5,428.27, 7,490.14 and 3,302.65

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Solution

The fourth proportional to 5,428.27, 7,490.14 and 3,302.65 is: 4,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.27 : 7,490.14 = 3,302.65 : x
  2. Step 2: Convert to fraction form
    5,428.27/7,490.14 = 3,302.65/x
  3. Step 3: Cross multiply
    5,428.27x = 7,490.14 × 3,302.65
  4. Step 4: Simplify right side
    5,428.27x = 24,737,310.87
  5. Step 5: Solve for x
    x = 24,737,310.87/5,428.27
  6. Step 6: Final answer
    x = 4,557.13

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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.