Home / 4,958.49-6,842.78-2,720.32

Finding the Fourth Proportional to 4,958.49, 6,842.78 and 2,720.32

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Solution

The fourth proportional to 4,958.49, 6,842.78 and 2,720.32 is: 3,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.49 : 6,842.78 = 2,720.32 : x
  2. Step 2: Convert to fraction form
    4,958.49/6,842.78 = 2,720.32/x
  3. Step 3: Cross multiply
    4,958.49x = 6,842.78 × 2,720.32
  4. Step 4: Simplify right side
    4,958.49x = 18,614,575.20
  5. Step 5: Solve for x
    x = 18,614,575.20/4,958.49
  6. Step 6: Final answer
    x = 3,754.08

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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.