Home / 6,600.15-9,108.36-3,616.20

Finding the Fourth Proportional to 6,600.15, 9,108.36 and 3,616.20

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Solution

The fourth proportional to 6,600.15, 9,108.36 and 3,616.20 is: 4,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.15 : 9,108.36 = 3,616.20 : x
  2. Step 2: Convert to fraction form
    6,600.15/9,108.36 = 3,616.20/x
  3. Step 3: Cross multiply
    6,600.15x = 9,108.36 × 3,616.20
  4. Step 4: Simplify right side
    6,600.15x = 32,937,651.43
  5. Step 5: Solve for x
    x = 32,937,651.43/6,600.15
  6. Step 6: Final answer
    x = 4,990.44

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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.