Home / 7,717.54-10,650.20-4,180.77

Finding the Fourth Proportional to 7,717.54, 10,650.20 and 4,180.77

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Solution

The fourth proportional to 7,717.54, 10,650.20 and 4,180.77 is: 5,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.54 : 10,650.20 = 4,180.77 : x
  2. Step 2: Convert to fraction form
    7,717.54/10,650.20 = 4,180.77/x
  3. Step 3: Cross multiply
    7,717.54x = 10,650.20 × 4,180.77
  4. Step 4: Simplify right side
    7,717.54x = 44,526,036.65
  5. Step 5: Solve for x
    x = 44,526,036.65/7,717.54
  6. Step 6: Final answer
    x = 5,769.46

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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.