Home / 5,290.85-7,301.81-2,933.75

Finding the Fourth Proportional to 5,290.85, 7,301.81 and 2,933.75

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Solution

The fourth proportional to 5,290.85, 7,301.81 and 2,933.75 is: 4,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.85 : 7,301.81 = 2,933.75 : x
  2. Step 2: Convert to fraction form
    5,290.85/7,301.81 = 2,933.75/x
  3. Step 3: Cross multiply
    5,290.85x = 7,301.81 × 2,933.75
  4. Step 4: Simplify right side
    5,290.85x = 21,421,685.09
  5. Step 5: Solve for x
    x = 21,421,685.09/5,290.85
  6. Step 6: Final answer
    x = 4,048.82

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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.