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Finding the Fourth Proportional to 8,510.32, 12,750.88 and 6,760.72

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Solution

The fourth proportional to 8,510.32, 12,750.88 and 6,760.72 is: 10,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.32 : 12,750.88 = 6,760.72 : x
  2. Step 2: Convert to fraction form
    8,510.32/12,750.88 = 6,760.72/x
  3. Step 3: Cross multiply
    8,510.32x = 12,750.88 × 6,760.72
  4. Step 4: Simplify right side
    8,510.32x = 86,205,129.43
  5. Step 5: Solve for x
    x = 86,205,129.43/8,510.32
  6. Step 6: Final answer
    x = 10,129.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.