Home / 8,446.18-12,669.30-4,981

Finding the Fourth Proportional to 8,446.18, 12,669.30 and 4,981

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Solution

The fourth proportional to 8,446.18, 12,669.30 and 4,981 is: 7,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.18 : 12,669.30 = 4,981 : x
  2. Step 2: Convert to fraction form
    8,446.18/12,669.30 = 4,981/x
  3. Step 3: Cross multiply
    8,446.18x = 12,669.30 × 4,981
  4. Step 4: Simplify right side
    8,446.18x = 63,105,783.30
  5. Step 5: Solve for x
    x = 63,105,783.30/8,446.18
  6. Step 6: Final answer
    x = 7,471.52

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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.