Home / 5,291.19-7,301.75-2,933.28

Finding the Fourth Proportional to 5,291.19, 7,301.75 and 2,933.28

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Solution

The fourth proportional to 5,291.19, 7,301.75 and 2,933.28 is: 4,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.19 : 7,301.75 = 2,933.28 : x
  2. Step 2: Convert to fraction form
    5,291.19/7,301.75 = 2,933.28/x
  3. Step 3: Cross multiply
    5,291.19x = 7,301.75 × 2,933.28
  4. Step 4: Simplify right side
    5,291.19x = 21,418,062.57
  5. Step 5: Solve for x
    x = 21,418,062.57/5,291.19
  6. Step 6: Final answer
    x = 4,047.87

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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.