Home / 8,492.31-12,739.09-2,252.18

Finding the Fourth Proportional to 8,492.31, 12,739.09 and 2,252.18

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Solution

The fourth proportional to 8,492.31, 12,739.09 and 2,252.18 is: 3,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.31 : 12,739.09 = 2,252.18 : x
  2. Step 2: Convert to fraction form
    8,492.31/12,739.09 = 2,252.18/x
  3. Step 3: Cross multiply
    8,492.31x = 12,739.09 × 2,252.18
  4. Step 4: Simplify right side
    8,492.31x = 28,690,718.33
  5. Step 5: Solve for x
    x = 28,690,718.33/8,492.31
  6. Step 6: Final answer
    x = 3,378.44

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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.