Home / 6,229.02-9,345.78-3,108.78

Finding the Fourth Proportional to 6,229.02, 9,345.78 and 3,108.78

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Solution

The fourth proportional to 6,229.02, 9,345.78 and 3,108.78 is: 4,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.02 : 9,345.78 = 3,108.78 : x
  2. Step 2: Convert to fraction form
    6,229.02/9,345.78 = 3,108.78/x
  3. Step 3: Cross multiply
    6,229.02x = 9,345.78 × 3,108.78
  4. Step 4: Simplify right side
    6,229.02x = 29,053,973.95
  5. Step 5: Solve for x
    x = 29,053,973.95/6,229.02
  6. Step 6: Final answer
    x = 4,664.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.