Home / 7,717.62-10,650.27-4,180.83

Finding the Fourth Proportional to 7,717.62, 10,650.27 and 4,180.83

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Solution

The fourth proportional to 7,717.62, 10,650.27 and 4,180.83 is: 5,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.62 : 10,650.27 = 4,180.83 : x
  2. Step 2: Convert to fraction form
    7,717.62/10,650.27 = 4,180.83/x
  3. Step 3: Cross multiply
    7,717.62x = 10,650.27 × 4,180.83
  4. Step 4: Simplify right side
    7,717.62x = 44,526,968.32
  5. Step 5: Solve for x
    x = 44,526,968.32/7,717.62
  6. Step 6: Final answer
    x = 5,769.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.