Home / 6,988.75-10,487.98-4,517.44

Finding the Fourth Proportional to 6,988.75, 10,487.98 and 4,517.44

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Solution

The fourth proportional to 6,988.75, 10,487.98 and 4,517.44 is: 6,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.75 : 10,487.98 = 4,517.44 : x
  2. Step 2: Convert to fraction form
    6,988.75/10,487.98 = 4,517.44/x
  3. Step 3: Cross multiply
    6,988.75x = 10,487.98 × 4,517.44
  4. Step 4: Simplify right side
    6,988.75x = 47,378,799.80
  5. Step 5: Solve for x
    x = 47,378,799.80/6,988.75
  6. Step 6: Final answer
    x = 6,779.30

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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.