Home / 6,822.64-10,236.38-3,903.40

Finding the Fourth Proportional to 6,822.64, 10,236.38 and 3,903.40

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Solution

The fourth proportional to 6,822.64, 10,236.38 and 3,903.40 is: 5,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.64 : 10,236.38 = 3,903.40 : x
  2. Step 2: Convert to fraction form
    6,822.64/10,236.38 = 3,903.40/x
  3. Step 3: Cross multiply
    6,822.64x = 10,236.38 × 3,903.40
  4. Step 4: Simplify right side
    6,822.64x = 39,956,685.69
  5. Step 5: Solve for x
    x = 39,956,685.69/6,822.64
  6. Step 6: Final answer
    x = 5,856.48

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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.