Home / 7,747.90-10,691.24-4,390.65

Finding the Fourth Proportional to 7,747.90, 10,691.24 and 4,390.65

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Solution

The fourth proportional to 7,747.90, 10,691.24 and 4,390.65 is: 6,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.90 : 10,691.24 = 4,390.65 : x
  2. Step 2: Convert to fraction form
    7,747.90/10,691.24 = 4,390.65/x
  3. Step 3: Cross multiply
    7,747.90x = 10,691.24 × 4,390.65
  4. Step 4: Simplify right side
    7,747.90x = 46,941,503.88
  5. Step 5: Solve for x
    x = 46,941,503.88/7,747.90
  6. Step 6: Final answer
    x = 6,058.61

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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.