Home / 5,285.52-7,293.92-2,927.68

Finding the Fourth Proportional to 5,285.52, 7,293.92 and 2,927.68

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Solution

The fourth proportional to 5,285.52, 7,293.92 and 2,927.68 is: 4,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.52 : 7,293.92 = 2,927.68 : x
  2. Step 2: Convert to fraction form
    5,285.52/7,293.92 = 2,927.68/x
  3. Step 3: Cross multiply
    5,285.52x = 7,293.92 × 2,927.68
  4. Step 4: Simplify right side
    5,285.52x = 21,354,230.83
  5. Step 5: Solve for x
    x = 21,354,230.83/5,285.52
  6. Step 6: Final answer
    x = 4,040.14

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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.