Home / 5,740.39-7,921.92-3,501.76

Finding the Fourth Proportional to 5,740.39, 7,921.92 and 3,501.76

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Solution

The fourth proportional to 5,740.39, 7,921.92 and 3,501.76 is: 4,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.39 : 7,921.92 = 3,501.76 : x
  2. Step 2: Convert to fraction form
    5,740.39/7,921.92 = 3,501.76/x
  3. Step 3: Cross multiply
    5,740.39x = 7,921.92 × 3,501.76
  4. Step 4: Simplify right side
    5,740.39x = 27,740,662.58
  5. Step 5: Solve for x
    x = 27,740,662.58/5,740.39
  6. Step 6: Final answer
    x = 4,832.54

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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.