Home / 6,219.50-9,329.26-2,115.50

Finding the Fourth Proportional to 6,219.50, 9,329.26 and 2,115.50

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Solution

The fourth proportional to 6,219.50, 9,329.26 and 2,115.50 is: 3,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.50 : 9,329.26 = 2,115.50 : x
  2. Step 2: Convert to fraction form
    6,219.50/9,329.26 = 2,115.50/x
  3. Step 3: Cross multiply
    6,219.50x = 9,329.26 × 2,115.50
  4. Step 4: Simplify right side
    6,219.50x = 19,736,049.53
  5. Step 5: Solve for x
    x = 19,736,049.53/6,219.50
  6. Step 6: Final answer
    x = 3,173.25

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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.