Home / 8,254.40-12,382.77-2,708.17

Finding the Fourth Proportional to 8,254.40, 12,382.77 and 2,708.17

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Solution

The fourth proportional to 8,254.40, 12,382.77 and 2,708.17 is: 4,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.40 : 12,382.77 = 2,708.17 : x
  2. Step 2: Convert to fraction form
    8,254.40/12,382.77 = 2,708.17/x
  3. Step 3: Cross multiply
    8,254.40x = 12,382.77 × 2,708.17
  4. Step 4: Simplify right side
    8,254.40x = 33,534,677.19
  5. Step 5: Solve for x
    x = 33,534,677.19/8,254.40
  6. Step 6: Final answer
    x = 4,062.65

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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.