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Finding the Fourth Proportional to 5,911.70, 8,867.55 and 4,442.90

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Solution

The fourth proportional to 5,911.70, 8,867.55 and 4,442.90 is: 6,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.70 : 8,867.55 = 4,442.90 : x
  2. Step 2: Convert to fraction form
    5,911.70/8,867.55 = 4,442.90/x
  3. Step 3: Cross multiply
    5,911.70x = 8,867.55 × 4,442.90
  4. Step 4: Simplify right side
    5,911.70x = 39,397,637.90
  5. Step 5: Solve for x
    x = 39,397,637.90/5,911.70
  6. Step 6: Final answer
    x = 6,664.35

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Similar ratio
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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.