Home / 6,360.25-9,540.39-1,977.71

Finding the Fourth Proportional to 6,360.25, 9,540.39 and 1,977.71

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Solution

The fourth proportional to 6,360.25, 9,540.39 and 1,977.71 is: 2,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.25 : 9,540.39 = 1,977.71 : x
  2. Step 2: Convert to fraction form
    6,360.25/9,540.39 = 1,977.71/x
  3. Step 3: Cross multiply
    6,360.25x = 9,540.39 × 1,977.71
  4. Step 4: Simplify right side
    6,360.25x = 18,868,077.00
  5. Step 5: Solve for x
    x = 18,868,077.00/6,360.25
  6. Step 6: Final answer
    x = 2,966.56

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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.