Home / 8,177.40-12,267.91-2,983.26

Finding the Fourth Proportional to 8,177.40, 12,267.91 and 2,983.26

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Solution

The fourth proportional to 8,177.40, 12,267.91 and 2,983.26 is: 4,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.40 : 12,267.91 = 2,983.26 : x
  2. Step 2: Convert to fraction form
    8,177.40/12,267.91 = 2,983.26/x
  3. Step 3: Cross multiply
    8,177.40x = 12,267.91 × 2,983.26
  4. Step 4: Simplify right side
    8,177.40x = 36,598,365.19
  5. Step 5: Solve for x
    x = 36,598,365.19/8,177.40
  6. Step 6: Final answer
    x = 4,475.55

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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.