Home / 5,330.16-7,354.80-3,205.20

Finding the Fourth Proportional to 5,330.16, 7,354.80 and 3,205.20

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Solution

The fourth proportional to 5,330.16, 7,354.80 and 3,205.20 is: 4,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.16 : 7,354.80 = 3,205.20 : x
  2. Step 2: Convert to fraction form
    5,330.16/7,354.80 = 3,205.20/x
  3. Step 3: Cross multiply
    5,330.16x = 7,354.80 × 3,205.20
  4. Step 4: Simplify right side
    5,330.16x = 23,573,604.96
  5. Step 5: Solve for x
    x = 23,573,604.96/5,330.16
  6. Step 6: Final answer
    x = 4,422.68

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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.