Home / 7,765.96-10,717.22-4,229.36

Finding the Fourth Proportional to 7,765.96, 10,717.22 and 4,229.36

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Solution

The fourth proportional to 7,765.96, 10,717.22 and 4,229.36 is: 5,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.96 : 10,717.22 = 4,229.36 : x
  2. Step 2: Convert to fraction form
    7,765.96/10,717.22 = 4,229.36/x
  3. Step 3: Cross multiply
    7,765.96x = 10,717.22 × 4,229.36
  4. Step 4: Simplify right side
    7,765.96x = 45,326,981.58
  5. Step 5: Solve for x
    x = 45,326,981.58/7,765.96
  6. Step 6: Final answer
    x = 5,836.62

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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.