Home / 9,788.45-14,685.10-3,949.16

Finding the Fourth Proportional to 9,788.45, 14,685.10 and 3,949.16

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Solution

The fourth proportional to 9,788.45, 14,685.10 and 3,949.16 is: 5,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.45 : 14,685.10 = 3,949.16 : x
  2. Step 2: Convert to fraction form
    9,788.45/14,685.10 = 3,949.16/x
  3. Step 3: Cross multiply
    9,788.45x = 14,685.10 × 3,949.16
  4. Step 4: Simplify right side
    9,788.45x = 57,993,726.22
  5. Step 5: Solve for x
    x = 57,993,726.22/9,788.45
  6. Step 6: Final answer
    x = 5,924.71

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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.