Home / 5,237.28-7,860.24-2,161.44

Finding the Fourth Proportional to 5,237.28, 7,860.24 and 2,161.44

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Solution

The fourth proportional to 5,237.28, 7,860.24 and 2,161.44 is: 3,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.28 : 7,860.24 = 2,161.44 : x
  2. Step 2: Convert to fraction form
    5,237.28/7,860.24 = 2,161.44/x
  3. Step 3: Cross multiply
    5,237.28x = 7,860.24 × 2,161.44
  4. Step 4: Simplify right side
    5,237.28x = 16,989,437.15
  5. Step 5: Solve for x
    x = 16,989,437.15/5,237.28
  6. Step 6: Final answer
    x = 3,243.94

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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.