Home / 5,135.67-7,711.61-3,196.53

Finding the Fourth Proportional to 5,135.67, 7,711.61 and 3,196.53

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Solution

The fourth proportional to 5,135.67, 7,711.61 and 3,196.53 is: 4,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.67 : 7,711.61 = 3,196.53 : x
  2. Step 2: Convert to fraction form
    5,135.67/7,711.61 = 3,196.53/x
  3. Step 3: Cross multiply
    5,135.67x = 7,711.61 × 3,196.53
  4. Step 4: Simplify right side
    5,135.67x = 24,650,376.73
  5. Step 5: Solve for x
    x = 24,650,376.73/5,135.67
  6. Step 6: Final answer
    x = 4,799.84

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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.