Home / 6,600.31-9,108.43-3,616.12

Finding the Fourth Proportional to 6,600.31, 9,108.43 and 3,616.12

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Solution

The fourth proportional to 6,600.31, 9,108.43 and 3,616.12 is: 4,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.31 : 9,108.43 = 3,616.12 : x
  2. Step 2: Convert to fraction form
    6,600.31/9,108.43 = 3,616.12/x
  3. Step 3: Cross multiply
    6,600.31x = 9,108.43 × 3,616.12
  4. Step 4: Simplify right side
    6,600.31x = 32,937,175.89
  5. Step 5: Solve for x
    x = 32,937,175.89/6,600.31
  6. Step 6: Final answer
    x = 4,990.25

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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.