Home / 5,242.60-7,864.44-1,954.81

Finding the Fourth Proportional to 5,242.60, 7,864.44 and 1,954.81

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Solution

The fourth proportional to 5,242.60, 7,864.44 and 1,954.81 is: 2,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.60 : 7,864.44 = 1,954.81 : x
  2. Step 2: Convert to fraction form
    5,242.60/7,864.44 = 1,954.81/x
  3. Step 3: Cross multiply
    5,242.60x = 7,864.44 × 1,954.81
  4. Step 4: Simplify right side
    5,242.60x = 15,373,485.96
  5. Step 5: Solve for x
    x = 15,373,485.96/5,242.60
  6. Step 6: Final answer
    x = 2,932.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.