Home / 6,987.72-10,481.89-2,308.13

Finding the Fourth Proportional to 6,987.72, 10,481.89 and 2,308.13

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Solution

The fourth proportional to 6,987.72, 10,481.89 and 2,308.13 is: 3,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.72 : 10,481.89 = 2,308.13 : x
  2. Step 2: Convert to fraction form
    6,987.72/10,481.89 = 2,308.13/x
  3. Step 3: Cross multiply
    6,987.72x = 10,481.89 × 2,308.13
  4. Step 4: Simplify right side
    6,987.72x = 24,193,550.22
  5. Step 5: Solve for x
    x = 24,193,550.22/6,987.72
  6. Step 6: Final answer
    x = 3,462.30

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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.