Home / 5,236.48-7,856.52-2,637.28

Finding the Fourth Proportional to 5,236.48, 7,856.52 and 2,637.28

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Solution

The fourth proportional to 5,236.48, 7,856.52 and 2,637.28 is: 3,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.48 : 7,856.52 = 2,637.28 : x
  2. Step 2: Convert to fraction form
    5,236.48/7,856.52 = 2,637.28/x
  3. Step 3: Cross multiply
    5,236.48x = 7,856.52 × 2,637.28
  4. Step 4: Simplify right side
    5,236.48x = 20,719,843.07
  5. Step 5: Solve for x
    x = 20,719,843.07/5,236.48
  6. Step 6: Final answer
    x = 3,956.83

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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.