Home / 8,731.42-12,049.16-4,752.64

Finding the Fourth Proportional to 8,731.42, 12,049.16 and 4,752.64

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Solution

The fourth proportional to 8,731.42, 12,049.16 and 4,752.64 is: 6,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.42 : 12,049.16 = 4,752.64 : x
  2. Step 2: Convert to fraction form
    8,731.42/12,049.16 = 4,752.64/x
  3. Step 3: Cross multiply
    8,731.42x = 12,049.16 × 4,752.64
  4. Step 4: Simplify right side
    8,731.42x = 57,265,319.78
  5. Step 5: Solve for x
    x = 57,265,319.78/8,731.42
  6. Step 6: Final answer
    x = 6,558.53

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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.