Home / 5,252.98-7,879.89-1,742.86

Finding the Fourth Proportional to 5,252.98, 7,879.89 and 1,742.86

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Solution

The fourth proportional to 5,252.98, 7,879.89 and 1,742.86 is: 2,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.98 : 7,879.89 = 1,742.86 : x
  2. Step 2: Convert to fraction form
    5,252.98/7,879.89 = 1,742.86/x
  3. Step 3: Cross multiply
    5,252.98x = 7,879.89 × 1,742.86
  4. Step 4: Simplify right side
    5,252.98x = 13,733,545.09
  5. Step 5: Solve for x
    x = 13,733,545.09/5,252.98
  6. Step 6: Final answer
    x = 2,614.43

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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.