Home / 9,720.43-14,581.19-2,794.75

Finding the Fourth Proportional to 9,720.43, 14,581.19 and 2,794.75

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Solution

The fourth proportional to 9,720.43, 14,581.19 and 2,794.75 is: 4,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.43 : 14,581.19 = 2,794.75 : x
  2. Step 2: Convert to fraction form
    9,720.43/14,581.19 = 2,794.75/x
  3. Step 3: Cross multiply
    9,720.43x = 14,581.19 × 2,794.75
  4. Step 4: Simplify right side
    9,720.43x = 40,750,780.75
  5. Step 5: Solve for x
    x = 40,750,780.75/9,720.43
  6. Step 6: Final answer
    x = 4,192.28

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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.