Home / 5,232.72-7,221.28-2,875

Finding the Fourth Proportional to 5,232.72, 7,221.28 and 2,875

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Solution

The fourth proportional to 5,232.72, 7,221.28 and 2,875 is: 3,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.72 : 7,221.28 = 2,875 : x
  2. Step 2: Convert to fraction form
    5,232.72/7,221.28 = 2,875/x
  3. Step 3: Cross multiply
    5,232.72x = 7,221.28 × 2,875
  4. Step 4: Simplify right side
    5,232.72x = 20,761,180
  5. Step 5: Solve for x
    x = 20,761,180/5,232.72
  6. Step 6: Final answer
    x = 3,967.57

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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.