Home / 8,301.36-12,449.88-3,910.08

Finding the Fourth Proportional to 8,301.36, 12,449.88 and 3,910.08

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Solution

The fourth proportional to 8,301.36, 12,449.88 and 3,910.08 is: 5,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.36 : 12,449.88 = 3,910.08 : x
  2. Step 2: Convert to fraction form
    8,301.36/12,449.88 = 3,910.08/x
  3. Step 3: Cross multiply
    8,301.36x = 12,449.88 × 3,910.08
  4. Step 4: Simplify right side
    8,301.36x = 48,680,026.79
  5. Step 5: Solve for x
    x = 48,680,026.79/8,301.36
  6. Step 6: Final answer
    x = 5,864.10

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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.