Home / 6,279.30-9,418.68-1,662.30

Finding the Fourth Proportional to 6,279.30, 9,418.68 and 1,662.30

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Solution

The fourth proportional to 6,279.30, 9,418.68 and 1,662.30 is: 2,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.30 : 9,418.68 = 1,662.30 : x
  2. Step 2: Convert to fraction form
    6,279.30/9,418.68 = 1,662.30/x
  3. Step 3: Cross multiply
    6,279.30x = 9,418.68 × 1,662.30
  4. Step 4: Simplify right side
    6,279.30x = 15,656,671.76
  5. Step 5: Solve for x
    x = 15,656,671.76/6,279.30
  6. Step 6: Final answer
    x = 2,493.38

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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.