Home / 5,434.11-8,146.56-2,149.52

Finding the Fourth Proportional to 5,434.11, 8,146.56 and 2,149.52

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Solution

The fourth proportional to 5,434.11, 8,146.56 and 2,149.52 is: 3,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.11 : 8,146.56 = 2,149.52 : x
  2. Step 2: Convert to fraction form
    5,434.11/8,146.56 = 2,149.52/x
  3. Step 3: Cross multiply
    5,434.11x = 8,146.56 × 2,149.52
  4. Step 4: Simplify right side
    5,434.11x = 17,511,152.92
  5. Step 5: Solve for x
    x = 17,511,152.92/5,434.11
  6. Step 6: Final answer
    x = 3,222.45

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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.