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Finding the Fourth Proportional to 8,510.27, 12,792.74 and 7,901.55

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Solution

The fourth proportional to 8,510.27, 12,792.74 and 7,901.55 is: 11,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.27 : 12,792.74 = 7,901.55 : x
  2. Step 2: Convert to fraction form
    8,510.27/12,792.74 = 7,901.55/x
  3. Step 3: Cross multiply
    8,510.27x = 12,792.74 × 7,901.55
  4. Step 4: Simplify right side
    8,510.27x = 101,082,435.24
  5. Step 5: Solve for x
    x = 101,082,435.24/8,510.27
  6. Step 6: Final answer
    x = 11,877.71

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1.5x scale

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.