Home / 9,279.69-13,920.21-2,617.17

Finding the Fourth Proportional to 9,279.69, 13,920.21 and 2,617.17

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Solution

The fourth proportional to 9,279.69, 13,920.21 and 2,617.17 is: 3,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.69 : 13,920.21 = 2,617.17 : x
  2. Step 2: Convert to fraction form
    9,279.69/13,920.21 = 2,617.17/x
  3. Step 3: Cross multiply
    9,279.69x = 13,920.21 × 2,617.17
  4. Step 4: Simplify right side
    9,279.69x = 36,431,556.01
  5. Step 5: Solve for x
    x = 36,431,556.01/9,279.69
  6. Step 6: Final answer
    x = 3,925.95

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1.5x scale

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.