Home / 8,127.64-12,190.08-2,282.88

Finding the Fourth Proportional to 8,127.64, 12,190.08 and 2,282.88

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Solution

The fourth proportional to 8,127.64, 12,190.08 and 2,282.88 is: 3,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.64 : 12,190.08 = 2,282.88 : x
  2. Step 2: Convert to fraction form
    8,127.64/12,190.08 = 2,282.88/x
  3. Step 3: Cross multiply
    8,127.64x = 12,190.08 × 2,282.88
  4. Step 4: Simplify right side
    8,127.64x = 27,828,489.83
  5. Step 5: Solve for x
    x = 27,828,489.83/8,127.64
  6. Step 6: Final answer
    x = 3,423.93

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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.