Home / 6,279.20-9,429.60-3,363.20

Finding the Fourth Proportional to 6,279.20, 9,429.60 and 3,363.20

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Solution

The fourth proportional to 6,279.20, 9,429.60 and 3,363.20 is: 5,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.20 : 9,429.60 = 3,363.20 : x
  2. Step 2: Convert to fraction form
    6,279.20/9,429.60 = 3,363.20/x
  3. Step 3: Cross multiply
    6,279.20x = 9,429.60 × 3,363.20
  4. Step 4: Simplify right side
    6,279.20x = 31,713,630.72
  5. Step 5: Solve for x
    x = 31,713,630.72/6,279.20
  6. Step 6: Final answer
    x = 5,050.58

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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.