Home / 7,612.48-11,418.60-2,418.28

Finding the Fourth Proportional to 7,612.48, 11,418.60 and 2,418.28

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Solution

The fourth proportional to 7,612.48, 11,418.60 and 2,418.28 is: 3,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.48 : 11,418.60 = 2,418.28 : x
  2. Step 2: Convert to fraction form
    7,612.48/11,418.60 = 2,418.28/x
  3. Step 3: Cross multiply
    7,612.48x = 11,418.60 × 2,418.28
  4. Step 4: Simplify right side
    7,612.48x = 27,613,372.01
  5. Step 5: Solve for x
    x = 27,613,372.01/7,612.48
  6. Step 6: Final answer
    x = 3,627.38

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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.