Home / 5,236.78-7,226.90-2,846.91

Finding the Fourth Proportional to 5,236.78, 7,226.90 and 2,846.91

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Solution

The fourth proportional to 5,236.78, 7,226.90 and 2,846.91 is: 3,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.78 : 7,226.90 = 2,846.91 : x
  2. Step 2: Convert to fraction form
    5,236.78/7,226.90 = 2,846.91/x
  3. Step 3: Cross multiply
    5,236.78x = 7,226.90 × 2,846.91
  4. Step 4: Simplify right side
    5,236.78x = 20,574,346.75
  5. Step 5: Solve for x
    x = 20,574,346.75/5,236.78
  6. Step 6: Final answer
    x = 3,928.82

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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.