Home / 8,474.27-12,711.40-4,088.63

Finding the Fourth Proportional to 8,474.27, 12,711.40 and 4,088.63

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Solution

The fourth proportional to 8,474.27, 12,711.40 and 4,088.63 is: 6,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.27 : 12,711.40 = 4,088.63 : x
  2. Step 2: Convert to fraction form
    8,474.27/12,711.40 = 4,088.63/x
  3. Step 3: Cross multiply
    8,474.27x = 12,711.40 × 4,088.63
  4. Step 4: Simplify right side
    8,474.27x = 51,972,232.94
  5. Step 5: Solve for x
    x = 51,972,232.94/8,474.27
  6. Step 6: Final answer
    x = 6,132.95

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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.