Home / 8,731.13-12,049.20-4,752

Finding the Fourth Proportional to 8,731.13, 12,049.20 and 4,752

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Solution

The fourth proportional to 8,731.13, 12,049.20 and 4,752 is: 6,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.13 : 12,049.20 = 4,752 : x
  2. Step 2: Convert to fraction form
    8,731.13/12,049.20 = 4,752/x
  3. Step 3: Cross multiply
    8,731.13x = 12,049.20 × 4,752
  4. Step 4: Simplify right side
    8,731.13x = 57,257,798.40
  5. Step 5: Solve for x
    x = 57,257,798.40/8,731.13
  6. Step 6: Final answer
    x = 6,557.89

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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.