Home / 5,428.35-7,489.91-3,304.99

Finding the Fourth Proportional to 5,428.35, 7,489.91 and 3,304.99

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Solution

The fourth proportional to 5,428.35, 7,489.91 and 3,304.99 is: 4,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.35 : 7,489.91 = 3,304.99 : x
  2. Step 2: Convert to fraction form
    5,428.35/7,489.91 = 3,304.99/x
  3. Step 3: Cross multiply
    5,428.35x = 7,489.91 × 3,304.99
  4. Step 4: Simplify right side
    5,428.35x = 24,754,077.65
  5. Step 5: Solve for x
    x = 24,754,077.65/5,428.35
  6. Step 6: Final answer
    x = 4,560.15

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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.