Home / 8,701.62-13,052.02-2,127.45

Finding the Fourth Proportional to 8,701.62, 13,052.02 and 2,127.45

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Solution

The fourth proportional to 8,701.62, 13,052.02 and 2,127.45 is: 3,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.62 : 13,052.02 = 2,127.45 : x
  2. Step 2: Convert to fraction form
    8,701.62/13,052.02 = 2,127.45/x
  3. Step 3: Cross multiply
    8,701.62x = 13,052.02 × 2,127.45
  4. Step 4: Simplify right side
    8,701.62x = 27,767,519.95
  5. Step 5: Solve for x
    x = 27,767,519.95/8,701.62
  6. Step 6: Final answer
    x = 3,191.07

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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.