Home / 9,788.13-14,679.05-4,240.04

Finding the Fourth Proportional to 9,788.13, 14,679.05 and 4,240.04

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Solution

The fourth proportional to 9,788.13, 14,679.05 and 4,240.04 is: 6,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.13 : 14,679.05 = 4,240.04 : x
  2. Step 2: Convert to fraction form
    9,788.13/14,679.05 = 4,240.04/x
  3. Step 3: Cross multiply
    9,788.13x = 14,679.05 × 4,240.04
  4. Step 4: Simplify right side
    9,788.13x = 62,239,664.57
  5. Step 5: Solve for x
    x = 62,239,664.57/9,788.13
  6. Step 6: Final answer
    x = 6,358.69

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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.