Home / 5,330.55-7,995.96-3,140.85

Finding the Fourth Proportional to 5,330.55, 7,995.96 and 3,140.85

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Solution

The fourth proportional to 5,330.55, 7,995.96 and 3,140.85 is: 4,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.55 : 7,995.96 = 3,140.85 : x
  2. Step 2: Convert to fraction form
    5,330.55/7,995.96 = 3,140.85/x
  3. Step 3: Cross multiply
    5,330.55x = 7,995.96 × 3,140.85
  4. Step 4: Simplify right side
    5,330.55x = 25,114,110.97
  5. Step 5: Solve for x
    x = 25,114,110.97/5,330.55
  6. Step 6: Final answer
    x = 4,711.35

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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.