Home / 7,680.87-11,521.34-2,344.12

Finding the Fourth Proportional to 7,680.87, 11,521.34 and 2,344.12

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Solution

The fourth proportional to 7,680.87, 11,521.34 and 2,344.12 is: 3,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.87 : 11,521.34 = 2,344.12 : x
  2. Step 2: Convert to fraction form
    7,680.87/11,521.34 = 2,344.12/x
  3. Step 3: Cross multiply
    7,680.87x = 11,521.34 × 2,344.12
  4. Step 4: Simplify right side
    7,680.87x = 27,007,403.52
  5. Step 5: Solve for x
    x = 27,007,403.52/7,680.87
  6. Step 6: Final answer
    x = 3,516.19

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Double scale
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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.