Home / 6,231.15-8,598.96-3,398.47

Finding the Fourth Proportional to 6,231.15, 8,598.96 and 3,398.47

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Solution

The fourth proportional to 6,231.15, 8,598.96 and 3,398.47 is: 4,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.15 : 8,598.96 = 3,398.47 : x
  2. Step 2: Convert to fraction form
    6,231.15/8,598.96 = 3,398.47/x
  3. Step 3: Cross multiply
    6,231.15x = 8,598.96 × 3,398.47
  4. Step 4: Simplify right side
    6,231.15x = 29,223,290.60
  5. Step 5: Solve for x
    x = 29,223,290.60/6,231.15
  6. Step 6: Final answer
    x = 4,689.87

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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.