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Finding the Fourth Proportional to 4,407.39, 6,611.07 and 4,352.70

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Solution

The fourth proportional to 4,407.39, 6,611.07 and 4,352.70 is: 6,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.39 : 6,611.07 = 4,352.70 : x
  2. Step 2: Convert to fraction form
    4,407.39/6,611.07 = 4,352.70/x
  3. Step 3: Cross multiply
    4,407.39x = 6,611.07 × 4,352.70
  4. Step 4: Simplify right side
    4,407.39x = 28,776,004.39
  5. Step 5: Solve for x
    x = 28,776,004.39/4,407.39
  6. Step 6: Final answer
    x = 6,529.04

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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.