Home / 8,176.16-12,264-2,629.76

Finding the Fourth Proportional to 8,176.16, 12,264 and 2,629.76

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Solution

The fourth proportional to 8,176.16, 12,264 and 2,629.76 is: 3,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.16 : 12,264 = 2,629.76 : x
  2. Step 2: Convert to fraction form
    8,176.16/12,264 = 2,629.76/x
  3. Step 3: Cross multiply
    8,176.16x = 12,264 × 2,629.76
  4. Step 4: Simplify right side
    8,176.16x = 32,251,376.64
  5. Step 5: Solve for x
    x = 32,251,376.64/8,176.16
  6. Step 6: Final answer
    x = 3,944.56

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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.