Home / 7,458.78-10,293.21-4,101.96

Finding the Fourth Proportional to 7,458.78, 10,293.21 and 4,101.96

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Solution

The fourth proportional to 7,458.78, 10,293.21 and 4,101.96 is: 5,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.78 : 10,293.21 = 4,101.96 : x
  2. Step 2: Convert to fraction form
    7,458.78/10,293.21 = 4,101.96/x
  3. Step 3: Cross multiply
    7,458.78x = 10,293.21 × 4,101.96
  4. Step 4: Simplify right side
    7,458.78x = 42,222,335.69
  5. Step 5: Solve for x
    x = 42,222,335.69/7,458.78
  6. Step 6: Final answer
    x = 5,660.76

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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.