Home / 6,770.50-10,155.68-5,137.08

Finding the Fourth Proportional to 6,770.50, 10,155.68 and 5,137.08

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Solution

The fourth proportional to 6,770.50, 10,155.68 and 5,137.08 is: 7,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.50 : 10,155.68 = 5,137.08 : x
  2. Step 2: Convert to fraction form
    6,770.50/10,155.68 = 5,137.08/x
  3. Step 3: Cross multiply
    6,770.50x = 10,155.68 × 5,137.08
  4. Step 4: Simplify right side
    6,770.50x = 52,170,540.61
  5. Step 5: Solve for x
    x = 52,170,540.61/6,770.50
  6. Step 6: Final answer
    x = 7,705.57

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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.