Home / 5,236.82-7,856.38-1,726.69

Finding the Fourth Proportional to 5,236.82, 7,856.38 and 1,726.69

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Solution

The fourth proportional to 5,236.82, 7,856.38 and 1,726.69 is: 2,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.82 : 7,856.38 = 1,726.69 : x
  2. Step 2: Convert to fraction form
    5,236.82/7,856.38 = 1,726.69/x
  3. Step 3: Cross multiply
    5,236.82x = 7,856.38 × 1,726.69
  4. Step 4: Simplify right side
    5,236.82x = 13,565,493.50
  5. Step 5: Solve for x
    x = 13,565,493.50/5,236.82
  6. Step 6: Final answer
    x = 2,590.41

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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.