Home / 5,329.55-7,994.46-3,139.85

Finding the Fourth Proportional to 5,329.55, 7,994.46 and 3,139.85

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Solution

The fourth proportional to 5,329.55, 7,994.46 and 3,139.85 is: 4,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.55 : 7,994.46 = 3,139.85 : x
  2. Step 2: Convert to fraction form
    5,329.55/7,994.46 = 3,139.85/x
  3. Step 3: Cross multiply
    5,329.55x = 7,994.46 × 3,139.85
  4. Step 4: Simplify right side
    5,329.55x = 25,101,365.26
  5. Step 5: Solve for x
    x = 25,101,365.26/5,329.55
  6. Step 6: Final answer
    x = 4,709.85

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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.