Home / 6,117.20-9,175.20-2,418.48

Finding the Fourth Proportional to 6,117.20, 9,175.20 and 2,418.48

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Solution

The fourth proportional to 6,117.20, 9,175.20 and 2,418.48 is: 3,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.20 : 9,175.20 = 2,418.48 : x
  2. Step 2: Convert to fraction form
    6,117.20/9,175.20 = 2,418.48/x
  3. Step 3: Cross multiply
    6,117.20x = 9,175.20 × 2,418.48
  4. Step 4: Simplify right side
    6,117.20x = 22,190,037.70
  5. Step 5: Solve for x
    x = 22,190,037.70/6,117.20
  6. Step 6: Final answer
    x = 3,627.48

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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.