Home / 8,966.90-13,454.32-3,127.70

Finding the Fourth Proportional to 8,966.90, 13,454.32 and 3,127.70

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Solution

The fourth proportional to 8,966.90, 13,454.32 and 3,127.70 is: 4,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.90 : 13,454.32 = 3,127.70 : x
  2. Step 2: Convert to fraction form
    8,966.90/13,454.32 = 3,127.70/x
  3. Step 3: Cross multiply
    8,966.90x = 13,454.32 × 3,127.70
  4. Step 4: Simplify right side
    8,966.90x = 42,081,076.66
  5. Step 5: Solve for x
    x = 42,081,076.66/8,966.90
  6. Step 6: Final answer
    x = 4,692.93

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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.