Home / 5,281.19-7,288.14-2,923.28

Finding the Fourth Proportional to 5,281.19, 7,288.14 and 2,923.28

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Solution

The fourth proportional to 5,281.19, 7,288.14 and 2,923.28 is: 4,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.19 : 7,288.14 = 2,923.28 : x
  2. Step 2: Convert to fraction form
    5,281.19/7,288.14 = 2,923.28/x
  3. Step 3: Cross multiply
    5,281.19x = 7,288.14 × 2,923.28
  4. Step 4: Simplify right side
    5,281.19x = 21,305,273.90
  5. Step 5: Solve for x
    x = 21,305,273.90/5,281.19
  6. Step 6: Final answer
    x = 4,034.18

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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.