Home / 8,581.07-12,869.80-2,423.63

Finding the Fourth Proportional to 8,581.07, 12,869.80 and 2,423.63

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Solution

The fourth proportional to 8,581.07, 12,869.80 and 2,423.63 is: 3,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.07 : 12,869.80 = 2,423.63 : x
  2. Step 2: Convert to fraction form
    8,581.07/12,869.80 = 2,423.63/x
  3. Step 3: Cross multiply
    8,581.07x = 12,869.80 × 2,423.63
  4. Step 4: Simplify right side
    8,581.07x = 31,191,562.97
  5. Step 5: Solve for x
    x = 31,191,562.97/8,581.07
  6. Step 6: Final answer
    x = 3,634.93

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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.