Home / 4,418.68-6,659.78-3,809.74

Finding the Fourth Proportional to 4,418.68, 6,659.78 and 3,809.74

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Solution

The fourth proportional to 4,418.68, 6,659.78 and 3,809.74 is: 5,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.68 : 6,659.78 = 3,809.74 : x
  2. Step 2: Convert to fraction form
    4,418.68/6,659.78 = 3,809.74/x
  3. Step 3: Cross multiply
    4,418.68x = 6,659.78 × 3,809.74
  4. Step 4: Simplify right side
    4,418.68x = 25,372,030.26
  5. Step 5: Solve for x
    x = 25,372,030.26/4,418.68
  6. Step 6: Final answer
    x = 5,741.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.