Home / 4,277.30-6,405.15-3,175.70

Finding the Fourth Proportional to 4,277.30, 6,405.15 and 3,175.70

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Solution

The fourth proportional to 4,277.30, 6,405.15 and 3,175.70 is: 4,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.30 : 6,405.15 = 3,175.70 : x
  2. Step 2: Convert to fraction form
    4,277.30/6,405.15 = 3,175.70/x
  3. Step 3: Cross multiply
    4,277.30x = 6,405.15 × 3,175.70
  4. Step 4: Simplify right side
    4,277.30x = 20,340,834.86
  5. Step 5: Solve for x
    x = 20,340,834.86/4,277.30
  6. Step 6: Final answer
    x = 4,755.53

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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.