Home / 5,422.78-8,132.56-2,302.76

Finding the Fourth Proportional to 5,422.78, 8,132.56 and 2,302.76

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Solution

The fourth proportional to 5,422.78, 8,132.56 and 2,302.76 is: 3,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.78 : 8,132.56 = 2,302.76 : x
  2. Step 2: Convert to fraction form
    5,422.78/8,132.56 = 2,302.76/x
  3. Step 3: Cross multiply
    5,422.78x = 8,132.56 × 2,302.76
  4. Step 4: Simplify right side
    5,422.78x = 18,727,333.87
  5. Step 5: Solve for x
    x = 18,727,333.87/5,422.78
  6. Step 6: Final answer
    x = 3,453.46

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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.