Home / 8,310.26-12,465.56-3,378.92

Finding the Fourth Proportional to 8,310.26, 12,465.56 and 3,378.92

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Solution

The fourth proportional to 8,310.26, 12,465.56 and 3,378.92 is: 5,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.26 : 12,465.56 = 3,378.92 : x
  2. Step 2: Convert to fraction form
    8,310.26/12,465.56 = 3,378.92/x
  3. Step 3: Cross multiply
    8,310.26x = 12,465.56 × 3,378.92
  4. Step 4: Simplify right side
    8,310.26x = 42,120,061.86
  5. Step 5: Solve for x
    x = 42,120,061.86/8,310.26
  6. Step 6: Final answer
    x = 5,068.44

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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.