Home / 7,488.90-11,229.57-2,294.10

Finding the Fourth Proportional to 7,488.90, 11,229.57 and 2,294.10

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Solution

The fourth proportional to 7,488.90, 11,229.57 and 2,294.10 is: 3,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.90 : 11,229.57 = 2,294.10 : x
  2. Step 2: Convert to fraction form
    7,488.90/11,229.57 = 2,294.10/x
  3. Step 3: Cross multiply
    7,488.90x = 11,229.57 × 2,294.10
  4. Step 4: Simplify right side
    7,488.90x = 25,761,756.54
  5. Step 5: Solve for x
    x = 25,761,756.54/7,488.90
  6. Step 6: Final answer
    x = 3,439.99

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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.