Home / 8,165.40-11,267.28-6,176.04

Finding the Fourth Proportional to 8,165.40, 11,267.28 and 6,176.04

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Solution

The fourth proportional to 8,165.40, 11,267.28 and 6,176.04 is: 8,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.40 : 11,267.28 = 6,176.04 : x
  2. Step 2: Convert to fraction form
    8,165.40/11,267.28 = 6,176.04/x
  3. Step 3: Cross multiply
    8,165.40x = 11,267.28 × 6,176.04
  4. Step 4: Simplify right side
    8,165.40x = 69,587,171.97
  5. Step 5: Solve for x
    x = 69,587,171.97/8,165.40
  6. Step 6: Final answer
    x = 8,522.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.