Home / 5,379.56-7,423.68-3,022.40

Finding the Fourth Proportional to 5,379.56, 7,423.68 and 3,022.40

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Solution

The fourth proportional to 5,379.56, 7,423.68 and 3,022.40 is: 4,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.56 : 7,423.68 = 3,022.40 : x
  2. Step 2: Convert to fraction form
    5,379.56/7,423.68 = 3,022.40/x
  3. Step 3: Cross multiply
    5,379.56x = 7,423.68 × 3,022.40
  4. Step 4: Simplify right side
    5,379.56x = 22,437,330.43
  5. Step 5: Solve for x
    x = 22,437,330.43/5,379.56
  6. Step 6: Final answer
    x = 4,170.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.