Home / 6,987.50-10,481.80-2,305.98

Finding the Fourth Proportional to 6,987.50, 10,481.80 and 2,305.98

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Solution

The fourth proportional to 6,987.50, 10,481.80 and 2,305.98 is: 3,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.50 : 10,481.80 = 2,305.98 : x
  2. Step 2: Convert to fraction form
    6,987.50/10,481.80 = 2,305.98/x
  3. Step 3: Cross multiply
    6,987.50x = 10,481.80 × 2,305.98
  4. Step 4: Simplify right side
    6,987.50x = 24,170,821.16
  5. Step 5: Solve for x
    x = 24,170,821.16/6,987.50
  6. Step 6: Final answer
    x = 3,459.15

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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.