Home / 7,398.10-11,069.35-4,425.61

Finding the Fourth Proportional to 7,398.10, 11,069.35 and 4,425.61

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Solution

The fourth proportional to 7,398.10, 11,069.35 and 4,425.61 is: 6,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.10 : 11,069.35 = 4,425.61 : x
  2. Step 2: Convert to fraction form
    7,398.10/11,069.35 = 4,425.61/x
  3. Step 3: Cross multiply
    7,398.10x = 11,069.35 × 4,425.61
  4. Step 4: Simplify right side
    7,398.10x = 48,988,626.05
  5. Step 5: Solve for x
    x = 48,988,626.05/7,398.10
  6. Step 6: Final answer
    x = 6,621.78

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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.