Home / 7,328.28-10,987.62-3,434.52

Finding the Fourth Proportional to 7,328.28, 10,987.62 and 3,434.52

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Solution

The fourth proportional to 7,328.28, 10,987.62 and 3,434.52 is: 5,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.28 : 10,987.62 = 3,434.52 : x
  2. Step 2: Convert to fraction form
    7,328.28/10,987.62 = 3,434.52/x
  3. Step 3: Cross multiply
    7,328.28x = 10,987.62 × 3,434.52
  4. Step 4: Simplify right side
    7,328.28x = 37,737,200.64
  5. Step 5: Solve for x
    x = 37,737,200.64/7,328.28
  6. Step 6: Final answer
    x = 5,149.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.