Home / 5,285.40-7,293.84-2,927.52

Finding the Fourth Proportional to 5,285.40, 7,293.84 and 2,927.52

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Solution

The fourth proportional to 5,285.40, 7,293.84 and 2,927.52 is: 4,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.40 : 7,293.84 = 2,927.52 : x
  2. Step 2: Convert to fraction form
    5,285.40/7,293.84 = 2,927.52/x
  3. Step 3: Cross multiply
    5,285.40x = 7,293.84 × 2,927.52
  4. Step 4: Simplify right side
    5,285.40x = 21,352,862.48
  5. Step 5: Solve for x
    x = 21,352,862.48/5,285.40
  6. Step 6: Final answer
    x = 4,039.97

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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.