Home / 4,842.38-7,257.48-2,621.13

Finding the Fourth Proportional to 4,842.38, 7,257.48 and 2,621.13

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Solution

The fourth proportional to 4,842.38, 7,257.48 and 2,621.13 is: 3,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.38 : 7,257.48 = 2,621.13 : x
  2. Step 2: Convert to fraction form
    4,842.38/7,257.48 = 2,621.13/x
  3. Step 3: Cross multiply
    4,842.38x = 7,257.48 × 2,621.13
  4. Step 4: Simplify right side
    4,842.38x = 19,022,776.25
  5. Step 5: Solve for x
    x = 19,022,776.25/4,842.38
  6. Step 6: Final answer
    x = 3,928.39

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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.