Home / 6,217.72-8,580.66-3,423.28

Finding the Fourth Proportional to 6,217.72, 8,580.66 and 3,423.28

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Solution

The fourth proportional to 6,217.72, 8,580.66 and 3,423.28 is: 4,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.72 : 8,580.66 = 3,423.28 : x
  2. Step 2: Convert to fraction form
    6,217.72/8,580.66 = 3,423.28/x
  3. Step 3: Cross multiply
    6,217.72x = 8,580.66 × 3,423.28
  4. Step 4: Simplify right side
    6,217.72x = 29,374,001.76
  5. Step 5: Solve for x
    x = 29,374,001.76/6,217.72
  6. Step 6: Final answer
    x = 4,724.24

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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.