Home / 6,378.60-9,562.42-2,427.66

Finding the Fourth Proportional to 6,378.60, 9,562.42 and 2,427.66

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Solution

The fourth proportional to 6,378.60, 9,562.42 and 2,427.66 is: 3,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.60 : 9,562.42 = 2,427.66 : x
  2. Step 2: Convert to fraction form
    6,378.60/9,562.42 = 2,427.66/x
  3. Step 3: Cross multiply
    6,378.60x = 9,562.42 × 2,427.66
  4. Step 4: Simplify right side
    6,378.60x = 23,214,304.54
  5. Step 5: Solve for x
    x = 23,214,304.54/6,378.60
  6. Step 6: Final answer
    x = 3,639.40

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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.