Home / 8,861.32-12,228.40-4,882.36

Finding the Fourth Proportional to 8,861.32, 12,228.40 and 4,882.36

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Solution

The fourth proportional to 8,861.32, 12,228.40 and 4,882.36 is: 6,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.32 : 12,228.40 = 4,882.36 : x
  2. Step 2: Convert to fraction form
    8,861.32/12,228.40 = 4,882.36/x
  3. Step 3: Cross multiply
    8,861.32x = 12,228.40 × 4,882.36
  4. Step 4: Simplify right side
    8,861.32x = 59,703,451.02
  5. Step 5: Solve for x
    x = 59,703,451.02/8,861.32
  6. Step 6: Final answer
    x = 6,737.53

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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.