Home / 5,398.32-8,079.17-3,319.63

Finding the Fourth Proportional to 5,398.32, 8,079.17 and 3,319.63

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Solution

The fourth proportional to 5,398.32, 8,079.17 and 3,319.63 is: 4,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.32 : 8,079.17 = 3,319.63 : x
  2. Step 2: Convert to fraction form
    5,398.32/8,079.17 = 3,319.63/x
  3. Step 3: Cross multiply
    5,398.32x = 8,079.17 × 3,319.63
  4. Step 4: Simplify right side
    5,398.32x = 26,819,843.21
  5. Step 5: Solve for x
    x = 26,819,843.21/5,398.32
  6. Step 6: Final answer
    x = 4,968.19

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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.