Home / 5,417.10-8,127.59-2,132.55

Finding the Fourth Proportional to 5,417.10, 8,127.59 and 2,132.55

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Solution

The fourth proportional to 5,417.10, 8,127.59 and 2,132.55 is: 3,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.10 : 8,127.59 = 2,132.55 : x
  2. Step 2: Convert to fraction form
    5,417.10/8,127.59 = 2,132.55/x
  3. Step 3: Cross multiply
    5,417.10x = 8,127.59 × 2,132.55
  4. Step 4: Simplify right side
    5,417.10x = 17,332,481.39
  5. Step 5: Solve for x
    x = 17,332,481.39/5,417.10
  6. Step 6: Final answer
    x = 3,199.59

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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.