Home / 8,449.29-12,675.74-2,903.13

Finding the Fourth Proportional to 8,449.29, 12,675.74 and 2,903.13

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Solution

The fourth proportional to 8,449.29, 12,675.74 and 2,903.13 is: 4,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.29 : 12,675.74 = 2,903.13 : x
  2. Step 2: Convert to fraction form
    8,449.29/12,675.74 = 2,903.13/x
  3. Step 3: Cross multiply
    8,449.29x = 12,675.74 × 2,903.13
  4. Step 4: Simplify right side
    8,449.29x = 36,799,306.55
  5. Step 5: Solve for x
    x = 36,799,306.55/8,449.29
  6. Step 6: Final answer
    x = 4,355.31

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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.