Home / 4,370.85-6,560.55-3,122.91

Finding the Fourth Proportional to 4,370.85, 6,560.55 and 3,122.91

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Solution

The fourth proportional to 4,370.85, 6,560.55 and 3,122.91 is: 4,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370.85 : 6,560.55 = 3,122.91 : x
  2. Step 2: Convert to fraction form
    4,370.85/6,560.55 = 3,122.91/x
  3. Step 3: Cross multiply
    4,370.85x = 6,560.55 × 3,122.91
  4. Step 4: Simplify right side
    4,370.85x = 20,488,007.20
  5. Step 5: Solve for x
    x = 20,488,007.20/4,370.85
  6. Step 6: Final answer
    x = 4,687.42

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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.