Home / 7,418.08-10,236.72-4,274.20

Finding the Fourth Proportional to 7,418.08, 10,236.72 and 4,274.20

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Solution

The fourth proportional to 7,418.08, 10,236.72 and 4,274.20 is: 5,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.08 : 10,236.72 = 4,274.20 : x
  2. Step 2: Convert to fraction form
    7,418.08/10,236.72 = 4,274.20/x
  3. Step 3: Cross multiply
    7,418.08x = 10,236.72 × 4,274.20
  4. Step 4: Simplify right side
    7,418.08x = 43,753,788.62
  5. Step 5: Solve for x
    x = 43,753,788.62/7,418.08
  6. Step 6: Final answer
    x = 5,898.26

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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.