Home / 8,621.92-11,901.27-5,084.91

Finding the Fourth Proportional to 8,621.92, 11,901.27 and 5,084.91

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Solution

The fourth proportional to 8,621.92, 11,901.27 and 5,084.91 is: 7,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.92 : 11,901.27 = 5,084.91 : x
  2. Step 2: Convert to fraction form
    8,621.92/11,901.27 = 5,084.91/x
  3. Step 3: Cross multiply
    8,621.92x = 11,901.27 × 5,084.91
  4. Step 4: Simplify right side
    8,621.92x = 60,516,886.84
  5. Step 5: Solve for x
    x = 60,516,886.84/8,621.92
  6. Step 6: Final answer
    x = 7,018.96

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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.