Home / 5,245.31-7,864.32-1,957.52

Finding the Fourth Proportional to 5,245.31, 7,864.32 and 1,957.52

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Solution

The fourth proportional to 5,245.31, 7,864.32 and 1,957.52 is: 2,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.31 : 7,864.32 = 1,957.52 : x
  2. Step 2: Convert to fraction form
    5,245.31/7,864.32 = 1,957.52/x
  3. Step 3: Cross multiply
    5,245.31x = 7,864.32 × 1,957.52
  4. Step 4: Simplify right side
    5,245.31x = 15,394,563.69
  5. Step 5: Solve for x
    x = 15,394,563.69/5,245.31
  6. Step 6: Final answer
    x = 2,934.92

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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.