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Finding the Fourth Proportional to 6,722.42, 9,281.10 and 4,333.24

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Solution

The fourth proportional to 6,722.42, 9,281.10 and 4,333.24 is: 5,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.42 : 9,281.10 = 4,333.24 : x
  2. Step 2: Convert to fraction form
    6,722.42/9,281.10 = 4,333.24/x
  3. Step 3: Cross multiply
    6,722.42x = 9,281.10 × 4,333.24
  4. Step 4: Simplify right side
    6,722.42x = 40,217,233.76
  5. Step 5: Solve for x
    x = 40,217,233.76/6,722.42
  6. Step 6: Final answer
    x = 5,982.55

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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.