Home / 8,541.92-12,799.92-6,340.36

Finding the Fourth Proportional to 8,541.92, 12,799.92 and 6,340.36

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Solution

The fourth proportional to 8,541.92, 12,799.92 and 6,340.36 is: 9,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.92 : 12,799.92 = 6,340.36 : x
  2. Step 2: Convert to fraction form
    8,541.92/12,799.92 = 6,340.36/x
  3. Step 3: Cross multiply
    8,541.92x = 12,799.92 × 6,340.36
  4. Step 4: Simplify right side
    8,541.92x = 81,156,100.77
  5. Step 5: Solve for x
    x = 81,156,100.77/8,541.92
  6. Step 6: Final answer
    x = 9,500.92

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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.