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Finding the Fourth Proportional to 4,397.76, 6,609.60 and 2,868.48

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Solution

The fourth proportional to 4,397.76, 6,609.60 and 2,868.48 is: 4,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.76 : 6,609.60 = 2,868.48 : x
  2. Step 2: Convert to fraction form
    4,397.76/6,609.60 = 2,868.48/x
  3. Step 3: Cross multiply
    4,397.76x = 6,609.60 × 2,868.48
  4. Step 4: Simplify right side
    4,397.76x = 18,959,505.41
  5. Step 5: Solve for x
    x = 18,959,505.41/4,397.76
  6. Step 6: Final answer
    x = 4,311.17

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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.