Home / 4,186.61-5,777.56-2,418.18

Finding the Fourth Proportional to 4,186.61, 5,777.56 and 2,418.18

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Solution

The fourth proportional to 4,186.61, 5,777.56 and 2,418.18 is: 3,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.61 : 5,777.56 = 2,418.18 : x
  2. Step 2: Convert to fraction form
    4,186.61/5,777.56 = 2,418.18/x
  3. Step 3: Cross multiply
    4,186.61x = 5,777.56 × 2,418.18
  4. Step 4: Simplify right side
    4,186.61x = 13,971,151.15
  5. Step 5: Solve for x
    x = 13,971,151.15/4,186.61
  6. Step 6: Final answer
    x = 3,337.10

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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.