Home / 6,319.38-9,479.48-2,621.90

Finding the Fourth Proportional to 6,319.38, 9,479.48 and 2,621.90

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Solution

The fourth proportional to 6,319.38, 9,479.48 and 2,621.90 is: 3,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.38 : 9,479.48 = 2,621.90 : x
  2. Step 2: Convert to fraction form
    6,319.38/9,479.48 = 2,621.90/x
  3. Step 3: Cross multiply
    6,319.38x = 9,479.48 × 2,621.90
  4. Step 4: Simplify right side
    6,319.38x = 24,854,273.95
  5. Step 5: Solve for x
    x = 24,854,273.95/6,319.38
  6. Step 6: Final answer
    x = 3,933.03

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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.