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Finding the Fourth Proportional to 6,604.80, 9,099.30 and 4,612.20

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Solution

The fourth proportional to 6,604.80, 9,099.30 and 4,612.20 is: 6,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.80 : 9,099.30 = 4,612.20 : x
  2. Step 2: Convert to fraction form
    6,604.80/9,099.30 = 4,612.20/x
  3. Step 3: Cross multiply
    6,604.80x = 9,099.30 × 4,612.20
  4. Step 4: Simplify right side
    6,604.80x = 41,967,791.46
  5. Step 5: Solve for x
    x = 41,967,791.46/6,604.80
  6. Step 6: Final answer
    x = 6,354.14

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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.