Home / 6,217.17-9,312.80-2,756.85

Finding the Fourth Proportional to 6,217.17, 9,312.80 and 2,756.85

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Solution

The fourth proportional to 6,217.17, 9,312.80 and 2,756.85 is: 4,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.17 : 9,312.80 = 2,756.85 : x
  2. Step 2: Convert to fraction form
    6,217.17/9,312.80 = 2,756.85/x
  3. Step 3: Cross multiply
    6,217.17x = 9,312.80 × 2,756.85
  4. Step 4: Simplify right side
    6,217.17x = 25,673,978.90
  5. Step 5: Solve for x
    x = 25,673,978.90/6,217.17
  6. Step 6: Final answer
    x = 4,129.53

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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.