Home / 6,219.48-9,329.24-5,121.56

Finding the Fourth Proportional to 6,219.48, 9,329.24 and 5,121.56

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Solution

The fourth proportional to 6,219.48, 9,329.24 and 5,121.56 is: 7,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.48 : 9,329.24 = 5,121.56 : x
  2. Step 2: Convert to fraction form
    6,219.48/9,329.24 = 5,121.56/x
  3. Step 3: Cross multiply
    6,219.48x = 9,329.24 × 5,121.56
  4. Step 4: Simplify right side
    6,219.48x = 47,780,262.41
  5. Step 5: Solve for x
    x = 47,780,262.41/6,219.48
  6. Step 6: Final answer
    x = 7,682.36

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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.