Home / 6,231.29-8,599.08-3,398.79

Finding the Fourth Proportional to 6,231.29, 8,599.08 and 3,398.79

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Solution

The fourth proportional to 6,231.29, 8,599.08 and 3,398.79 is: 4,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.29 : 8,599.08 = 3,398.79 : x
  2. Step 2: Convert to fraction form
    6,231.29/8,599.08 = 3,398.79/x
  3. Step 3: Cross multiply
    6,231.29x = 8,599.08 × 3,398.79
  4. Step 4: Simplify right side
    6,231.29x = 29,226,467.11
  5. Step 5: Solve for x
    x = 29,226,467.11/6,231.29
  6. Step 6: Final answer
    x = 4,690.28

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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.