Home / 7,680.35-11,516.92-4,560.77

Finding the Fourth Proportional to 7,680.35, 11,516.92 and 4,560.77

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Solution

The fourth proportional to 7,680.35, 11,516.92 and 4,560.77 is: 6,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.35 : 11,516.92 = 4,560.77 : x
  2. Step 2: Convert to fraction form
    7,680.35/11,516.92 = 4,560.77/x
  3. Step 3: Cross multiply
    7,680.35x = 11,516.92 × 4,560.77
  4. Step 4: Simplify right side
    7,680.35x = 52,526,040.62
  5. Step 5: Solve for x
    x = 52,526,040.62/7,680.35
  6. Step 6: Final answer
    x = 6,839.01

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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.