Home / 5,236.71-7,226.40-2,878.41

Finding the Fourth Proportional to 5,236.71, 7,226.40 and 2,878.41

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Solution

The fourth proportional to 5,236.71, 7,226.40 and 2,878.41 is: 3,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.71 : 7,226.40 = 2,878.41 : x
  2. Step 2: Convert to fraction form
    5,236.71/7,226.40 = 2,878.41/x
  3. Step 3: Cross multiply
    5,236.71x = 7,226.40 × 2,878.41
  4. Step 4: Simplify right side
    5,236.71x = 20,800,542.02
  5. Step 5: Solve for x
    x = 20,800,542.02/5,236.71
  6. Step 6: Final answer
    x = 3,972.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.