Home / 8,275.29-12,421.77-3,348.15

Finding the Fourth Proportional to 8,275.29, 12,421.77 and 3,348.15

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Solution

The fourth proportional to 8,275.29, 12,421.77 and 3,348.15 is: 5,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.29 : 12,421.77 = 3,348.15 : x
  2. Step 2: Convert to fraction form
    8,275.29/12,421.77 = 3,348.15/x
  3. Step 3: Cross multiply
    8,275.29x = 12,421.77 × 3,348.15
  4. Step 4: Simplify right side
    8,275.29x = 41,589,949.23
  5. Step 5: Solve for x
    x = 41,589,949.23/8,275.29
  6. Step 6: Final answer
    x = 5,025.80

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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.