Home / 5,422.74-8,135.56-2,302.88

Finding the Fourth Proportional to 5,422.74, 8,135.56 and 2,302.88

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Solution

The fourth proportional to 5,422.74, 8,135.56 and 2,302.88 is: 3,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.74 : 8,135.56 = 2,302.88 : x
  2. Step 2: Convert to fraction form
    5,422.74/8,135.56 = 2,302.88/x
  3. Step 3: Cross multiply
    5,422.74x = 8,135.56 × 2,302.88
  4. Step 4: Simplify right side
    5,422.74x = 18,735,218.41
  5. Step 5: Solve for x
    x = 18,735,218.41/5,422.74
  6. Step 6: Final answer
    x = 3,454.94

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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.