Home / 8,624.43-11,901.78-4,847.76

Finding the Fourth Proportional to 8,624.43, 11,901.78 and 4,847.76

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Solution

The fourth proportional to 8,624.43, 11,901.78 and 4,847.76 is: 6,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.43 : 11,901.78 = 4,847.76 : x
  2. Step 2: Convert to fraction form
    8,624.43/11,901.78 = 4,847.76/x
  3. Step 3: Cross multiply
    8,624.43x = 11,901.78 × 4,847.76
  4. Step 4: Simplify right side
    8,624.43x = 57,696,973.01
  5. Step 5: Solve for x
    x = 57,696,973.01/8,624.43
  6. Step 6: Final answer
    x = 6,689.95

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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.