Home / 8,353.44-12,531.38-2,805.57

Finding the Fourth Proportional to 8,353.44, 12,531.38 and 2,805.57

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Solution

The fourth proportional to 8,353.44, 12,531.38 and 2,805.57 is: 4,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.44 : 12,531.38 = 2,805.57 : x
  2. Step 2: Convert to fraction form
    8,353.44/12,531.38 = 2,805.57/x
  3. Step 3: Cross multiply
    8,353.44x = 12,531.38 × 2,805.57
  4. Step 4: Simplify right side
    8,353.44x = 35,157,649.76
  5. Step 5: Solve for x
    x = 35,157,649.76/8,353.44
  6. Step 6: Final answer
    x = 4,208.76

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1.5x scale

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.