Home / 8,675.52-13,011.80-3,127.76

Finding the Fourth Proportional to 8,675.52, 13,011.80 and 3,127.76

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Solution

The fourth proportional to 8,675.52, 13,011.80 and 3,127.76 is: 4,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.52 : 13,011.80 = 3,127.76 : x
  2. Step 2: Convert to fraction form
    8,675.52/13,011.80 = 3,127.76/x
  3. Step 3: Cross multiply
    8,675.52x = 13,011.80 × 3,127.76
  4. Step 4: Simplify right side
    8,675.52x = 40,697,787.57
  5. Step 5: Solve for x
    x = 40,697,787.57/8,675.52
  6. Step 6: Final answer
    x = 4,691.11

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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.