Home / 7,502.20-11,253.30-4,877.80

Finding the Fourth Proportional to 7,502.20, 11,253.30 and 4,877.80

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Solution

The fourth proportional to 7,502.20, 11,253.30 and 4,877.80 is: 7,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.20 : 11,253.30 = 4,877.80 : x
  2. Step 2: Convert to fraction form
    7,502.20/11,253.30 = 4,877.80/x
  3. Step 3: Cross multiply
    7,502.20x = 11,253.30 × 4,877.80
  4. Step 4: Simplify right side
    7,502.20x = 54,891,346.74
  5. Step 5: Solve for x
    x = 54,891,346.74/7,502.20
  6. Step 6: Final answer
    x = 7,316.70

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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.