Home / 7,747.96-10,691.34-4,390.72

Finding the Fourth Proportional to 7,747.96, 10,691.34 and 4,390.72

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Solution

The fourth proportional to 7,747.96, 10,691.34 and 4,390.72 is: 6,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.96 : 10,691.34 = 4,390.72 : x
  2. Step 2: Convert to fraction form
    7,747.96/10,691.34 = 4,390.72/x
  3. Step 3: Cross multiply
    7,747.96x = 10,691.34 × 4,390.72
  4. Step 4: Simplify right side
    7,747.96x = 46,942,680.36
  5. Step 5: Solve for x
    x = 46,942,680.36/7,747.96
  6. Step 6: Final answer
    x = 6,058.71

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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.