Home / 4,299.60-5,934.12-3,120.24

Finding the Fourth Proportional to 4,299.60, 5,934.12 and 3,120.24

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Solution

The fourth proportional to 4,299.60, 5,934.12 and 3,120.24 is: 4,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.60 : 5,934.12 = 3,120.24 : x
  2. Step 2: Convert to fraction form
    4,299.60/5,934.12 = 3,120.24/x
  3. Step 3: Cross multiply
    4,299.60x = 5,934.12 × 3,120.24
  4. Step 4: Simplify right side
    4,299.60x = 18,515,878.59
  5. Step 5: Solve for x
    x = 18,515,878.59/4,299.60
  6. Step 6: Final answer
    x = 4,306.42

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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.