Home / 7,508.40-11,248.20-4,426.80

Finding the Fourth Proportional to 7,508.40, 11,248.20 and 4,426.80

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Solution

The fourth proportional to 7,508.40, 11,248.20 and 4,426.80 is: 6,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.40 : 11,248.20 = 4,426.80 : x
  2. Step 2: Convert to fraction form
    7,508.40/11,248.20 = 4,426.80/x
  3. Step 3: Cross multiply
    7,508.40x = 11,248.20 × 4,426.80
  4. Step 4: Simplify right side
    7,508.40x = 49,793,531.76
  5. Step 5: Solve for x
    x = 49,793,531.76/7,508.40
  6. Step 6: Final answer
    x = 6,631.71

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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.