Home / 7,867.43-11,801.18-3,187.53

Finding the Fourth Proportional to 7,867.43, 11,801.18 and 3,187.53

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Solution

The fourth proportional to 7,867.43, 11,801.18 and 3,187.53 is: 4,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.43 : 11,801.18 = 3,187.53 : x
  2. Step 2: Convert to fraction form
    7,867.43/11,801.18 = 3,187.53/x
  3. Step 3: Cross multiply
    7,867.43x = 11,801.18 × 3,187.53
  4. Step 4: Simplify right side
    7,867.43x = 37,616,651.96
  5. Step 5: Solve for x
    x = 37,616,651.96/7,867.43
  6. Step 6: Final answer
    x = 4,781.31

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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.