Home / 7,169.25-9,889.28-4,512.05

Finding the Fourth Proportional to 7,169.25, 9,889.28 and 4,512.05

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Solution

The fourth proportional to 7,169.25, 9,889.28 and 4,512.05 is: 6,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.25 : 9,889.28 = 4,512.05 : x
  2. Step 2: Convert to fraction form
    7,169.25/9,889.28 = 4,512.05/x
  3. Step 3: Cross multiply
    7,169.25x = 9,889.28 × 4,512.05
  4. Step 4: Simplify right side
    7,169.25x = 44,620,853.82
  5. Step 5: Solve for x
    x = 44,620,853.82/7,169.25
  6. Step 6: Final answer
    x = 6,223.92

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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.