Home / 6,378.31-9,560.13-2,479.42

Finding the Fourth Proportional to 6,378.31, 9,560.13 and 2,479.42

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Solution

The fourth proportional to 6,378.31, 9,560.13 and 2,479.42 is: 3,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.31 : 9,560.13 = 2,479.42 : x
  2. Step 2: Convert to fraction form
    6,378.31/9,560.13 = 2,479.42/x
  3. Step 3: Cross multiply
    6,378.31x = 9,560.13 × 2,479.42
  4. Step 4: Simplify right side
    6,378.31x = 23,703,577.52
  5. Step 5: Solve for x
    x = 23,703,577.52/6,378.31
  6. Step 6: Final answer
    x = 3,716.28

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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.