Home / 5,220.42-7,204.16-2,862.56

Finding the Fourth Proportional to 5,220.42, 7,204.16 and 2,862.56

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Solution

The fourth proportional to 5,220.42, 7,204.16 and 2,862.56 is: 3,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.42 : 7,204.16 = 2,862.56 : x
  2. Step 2: Convert to fraction form
    5,220.42/7,204.16 = 2,862.56/x
  3. Step 3: Cross multiply
    5,220.42x = 7,204.16 × 2,862.56
  4. Step 4: Simplify right side
    5,220.42x = 20,622,289.92
  5. Step 5: Solve for x
    x = 20,622,289.92/5,220.42
  6. Step 6: Final answer
    x = 3,950.31

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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.