Home / 5,617.42-7,752.73-3,380.46

Finding the Fourth Proportional to 5,617.42, 7,752.73 and 3,380.46

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Solution

The fourth proportional to 5,617.42, 7,752.73 and 3,380.46 is: 4,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.42 : 7,752.73 = 3,380.46 : x
  2. Step 2: Convert to fraction form
    5,617.42/7,752.73 = 3,380.46/x
  3. Step 3: Cross multiply
    5,617.42x = 7,752.73 × 3,380.46
  4. Step 4: Simplify right side
    5,617.42x = 26,207,793.66
  5. Step 5: Solve for x
    x = 26,207,793.66/5,617.42
  6. Step 6: Final answer
    x = 4,665.45

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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.