Home / 9,720.92-14,577.80-3,479.24

Finding the Fourth Proportional to 9,720.92, 14,577.80 and 3,479.24

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Solution

The fourth proportional to 9,720.92, 14,577.80 and 3,479.24 is: 5,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.92 : 14,577.80 = 3,479.24 : x
  2. Step 2: Convert to fraction form
    9,720.92/14,577.80 = 3,479.24/x
  3. Step 3: Cross multiply
    9,720.92x = 14,577.80 × 3,479.24
  4. Step 4: Simplify right side
    9,720.92x = 50,719,664.87
  5. Step 5: Solve for x
    x = 50,719,664.87/9,720.92
  6. Step 6: Final answer
    x = 5,217.58

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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.