Home / 6,427.68-9,644.52-2,730.78

Finding the Fourth Proportional to 6,427.68, 9,644.52 and 2,730.78

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Solution

The fourth proportional to 6,427.68, 9,644.52 and 2,730.78 is: 4,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.68 : 9,644.52 = 2,730.78 : x
  2. Step 2: Convert to fraction form
    6,427.68/9,644.52 = 2,730.78/x
  3. Step 3: Cross multiply
    6,427.68x = 9,644.52 × 2,730.78
  4. Step 4: Simplify right side
    6,427.68x = 26,337,062.33
  5. Step 5: Solve for x
    x = 26,337,062.33/6,427.68
  6. Step 6: Final answer
    x = 4,097.44

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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.