Home / 8,951.12-13,426.84-2,711.20

Finding the Fourth Proportional to 8,951.12, 13,426.84 and 2,711.20

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Solution

The fourth proportional to 8,951.12, 13,426.84 and 2,711.20 is: 4,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.12 : 13,426.84 = 2,711.20 : x
  2. Step 2: Convert to fraction form
    8,951.12/13,426.84 = 2,711.20/x
  3. Step 3: Cross multiply
    8,951.12x = 13,426.84 × 2,711.20
  4. Step 4: Simplify right side
    8,951.12x = 36,402,848.61
  5. Step 5: Solve for x
    x = 36,402,848.61/8,951.12
  6. Step 6: Final answer
    x = 4,066.85

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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.