Home / 8,158.40-12,238.41-2,963.06

Finding the Fourth Proportional to 8,158.40, 12,238.41 and 2,963.06

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Solution

The fourth proportional to 8,158.40, 12,238.41 and 2,963.06 is: 4,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.40 : 12,238.41 = 2,963.06 : x
  2. Step 2: Convert to fraction form
    8,158.40/12,238.41 = 2,963.06/x
  3. Step 3: Cross multiply
    8,158.40x = 12,238.41 × 2,963.06
  4. Step 4: Simplify right side
    8,158.40x = 36,263,143.13
  5. Step 5: Solve for x
    x = 36,263,143.13/8,158.40
  6. Step 6: Final answer
    x = 4,444.88

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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.