Home / 8,449.31-12,674.13-2,605.92

Finding the Fourth Proportional to 8,449.31, 12,674.13 and 2,605.92

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Solution

The fourth proportional to 8,449.31, 12,674.13 and 2,605.92 is: 3,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.31 : 12,674.13 = 2,605.92 : x
  2. Step 2: Convert to fraction form
    8,449.31/12,674.13 = 2,605.92/x
  3. Step 3: Cross multiply
    8,449.31x = 12,674.13 × 2,605.92
  4. Step 4: Simplify right side
    8,449.31x = 33,027,762.78
  5. Step 5: Solve for x
    x = 33,027,762.78/8,449.31
  6. Step 6: Final answer
    x = 3,908.93

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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.