Home / 5,211.12-7,816.26-2,289.44

Finding the Fourth Proportional to 5,211.12, 7,816.26 and 2,289.44

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Solution

The fourth proportional to 5,211.12, 7,816.26 and 2,289.44 is: 3,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.12 : 7,816.26 = 2,289.44 : x
  2. Step 2: Convert to fraction form
    5,211.12/7,816.26 = 2,289.44/x
  3. Step 3: Cross multiply
    5,211.12x = 7,816.26 × 2,289.44
  4. Step 4: Simplify right side
    5,211.12x = 17,894,858.29
  5. Step 5: Solve for x
    x = 17,894,858.29/5,211.12
  6. Step 6: Final answer
    x = 3,433.98

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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.