Home / 5,531.17-7,632.45-3,108.15

Finding the Fourth Proportional to 5,531.17, 7,632.45 and 3,108.15

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Solution

The fourth proportional to 5,531.17, 7,632.45 and 3,108.15 is: 4,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.17 : 7,632.45 = 3,108.15 : x
  2. Step 2: Convert to fraction form
    5,531.17/7,632.45 = 3,108.15/x
  3. Step 3: Cross multiply
    5,531.17x = 7,632.45 × 3,108.15
  4. Step 4: Simplify right side
    5,531.17x = 23,722,783.93
  5. Step 5: Solve for x
    x = 23,722,783.93/5,531.17
  6. Step 6: Final answer
    x = 4,288.93

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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.