Home / 6,257.19-9,385.79-2,558.78

Finding the Fourth Proportional to 6,257.19, 9,385.79 and 2,558.78

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Solution

The fourth proportional to 6,257.19, 9,385.79 and 2,558.78 is: 3,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.19 : 9,385.79 = 2,558.78 : x
  2. Step 2: Convert to fraction form
    6,257.19/9,385.79 = 2,558.78/x
  3. Step 3: Cross multiply
    6,257.19x = 9,385.79 × 2,558.78
  4. Step 4: Simplify right side
    6,257.19x = 24,016,112.01
  5. Step 5: Solve for x
    x = 24,016,112.01/6,257.19
  6. Step 6: Final answer
    x = 3,838.16

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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.