Home / 8,753.28-13,131.58-2,831.76

Finding the Fourth Proportional to 8,753.28, 13,131.58 and 2,831.76

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Solution

The fourth proportional to 8,753.28, 13,131.58 and 2,831.76 is: 4,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.28 : 13,131.58 = 2,831.76 : x
  2. Step 2: Convert to fraction form
    8,753.28/13,131.58 = 2,831.76/x
  3. Step 3: Cross multiply
    8,753.28x = 13,131.58 × 2,831.76
  4. Step 4: Simplify right side
    8,753.28x = 37,185,482.98
  5. Step 5: Solve for x
    x = 37,185,482.98/8,753.28
  6. Step 6: Final answer
    x = 4,248.18

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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.