Home / 8,449.31-12,665.02-2,825.56

Finding the Fourth Proportional to 8,449.31, 12,665.02 and 2,825.56

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Solution

The fourth proportional to 8,449.31, 12,665.02 and 2,825.56 is: 4,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.31 : 12,665.02 = 2,825.56 : x
  2. Step 2: Convert to fraction form
    8,449.31/12,665.02 = 2,825.56/x
  3. Step 3: Cross multiply
    8,449.31x = 12,665.02 × 2,825.56
  4. Step 4: Simplify right side
    8,449.31x = 35,785,708.79
  5. Step 5: Solve for x
    x = 35,785,708.79/8,449.31
  6. Step 6: Final answer
    x = 4,235.34

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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.