Home / 9,159.24-13,738.10-2,919

Finding the Fourth Proportional to 9,159.24, 13,738.10 and 2,919

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Solution

The fourth proportional to 9,159.24, 13,738.10 and 2,919 is: 4,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.24 : 13,738.10 = 2,919 : x
  2. Step 2: Convert to fraction form
    9,159.24/13,738.10 = 2,919/x
  3. Step 3: Cross multiply
    9,159.24x = 13,738.10 × 2,919
  4. Step 4: Simplify right side
    9,159.24x = 40,101,513.90
  5. Step 5: Solve for x
    x = 40,101,513.90/9,159.24
  6. Step 6: Final answer
    x = 4,378.26

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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.