Home / 8,396.16-12,576.96-4,931.52

Finding the Fourth Proportional to 8,396.16, 12,576.96 and 4,931.52

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Solution

The fourth proportional to 8,396.16, 12,576.96 and 4,931.52 is: 7,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.16 : 12,576.96 = 4,931.52 : x
  2. Step 2: Convert to fraction form
    8,396.16/12,576.96 = 4,931.52/x
  3. Step 3: Cross multiply
    8,396.16x = 12,576.96 × 4,931.52
  4. Step 4: Simplify right side
    8,396.16x = 62,023,529.78
  5. Step 5: Solve for x
    x = 62,023,529.78/8,396.16
  6. Step 6: Final answer
    x = 7,387.13

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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.