Home / 7,418.21-10,236.87-4,432.26

Finding the Fourth Proportional to 7,418.21, 10,236.87 and 4,432.26

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Solution

The fourth proportional to 7,418.21, 10,236.87 and 4,432.26 is: 6,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.21 : 10,236.87 = 4,432.26 : x
  2. Step 2: Convert to fraction form
    7,418.21/10,236.87 = 4,432.26/x
  3. Step 3: Cross multiply
    7,418.21x = 10,236.87 × 4,432.26
  4. Step 4: Simplify right side
    7,418.21x = 45,372,469.43
  5. Step 5: Solve for x
    x = 45,372,469.43/7,418.21
  6. Step 6: Final answer
    x = 6,116.36

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1.5x scale

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.