Home / 5,226.11-7,211.93-2,868.20

Finding the Fourth Proportional to 5,226.11, 7,211.93 and 2,868.20

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Solution

The fourth proportional to 5,226.11, 7,211.93 and 2,868.20 is: 3,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.11 : 7,211.93 = 2,868.20 : x
  2. Step 2: Convert to fraction form
    5,226.11/7,211.93 = 2,868.20/x
  3. Step 3: Cross multiply
    5,226.11x = 7,211.93 × 2,868.20
  4. Step 4: Simplify right side
    5,226.11x = 20,685,207.23
  5. Step 5: Solve for x
    x = 20,685,207.23/5,226.11
  6. Step 6: Final answer
    x = 3,958.05

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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.