Home / 8,624.16-11,901.20-5,087.70

Finding the Fourth Proportional to 8,624.16, 11,901.20 and 5,087.70

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Solution

The fourth proportional to 8,624.16, 11,901.20 and 5,087.70 is: 7,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.16 : 11,901.20 = 5,087.70 : x
  2. Step 2: Convert to fraction form
    8,624.16/11,901.20 = 5,087.70/x
  3. Step 3: Cross multiply
    8,624.16x = 11,901.20 × 5,087.70
  4. Step 4: Simplify right side
    8,624.16x = 60,549,709.80
  5. Step 5: Solve for x
    x = 60,549,709.80/8,624.16
  6. Step 6: Final answer
    x = 7,020.94

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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.