Home / 7,738.56-10,679.31-4,201.83

Finding the Fourth Proportional to 7,738.56, 10,679.31 and 4,201.83

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Solution

The fourth proportional to 7,738.56, 10,679.31 and 4,201.83 is: 5,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.56 : 10,679.31 = 4,201.83 : x
  2. Step 2: Convert to fraction form
    7,738.56/10,679.31 = 4,201.83/x
  3. Step 3: Cross multiply
    7,738.56x = 10,679.31 × 4,201.83
  4. Step 4: Simplify right side
    7,738.56x = 44,872,645.14
  5. Step 5: Solve for x
    x = 44,872,645.14/7,738.56
  6. Step 6: Final answer
    x = 5,798.58

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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.