Home / 5,422.13-8,129.54-2,498.84

Finding the Fourth Proportional to 5,422.13, 8,129.54 and 2,498.84

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Solution

The fourth proportional to 5,422.13, 8,129.54 and 2,498.84 is: 3,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.13 : 8,129.54 = 2,498.84 : x
  2. Step 2: Convert to fraction form
    5,422.13/8,129.54 = 2,498.84/x
  3. Step 3: Cross multiply
    5,422.13x = 8,129.54 × 2,498.84
  4. Step 4: Simplify right side
    5,422.13x = 20,314,419.73
  5. Step 5: Solve for x
    x = 20,314,419.73/5,422.13
  6. Step 6: Final answer
    x = 3,746.58

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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.