Home / 6,379.25-9,569.72-2,219.58

Finding the Fourth Proportional to 6,379.25, 9,569.72 and 2,219.58

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Solution

The fourth proportional to 6,379.25, 9,569.72 and 2,219.58 is: 3,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.25 : 9,569.72 = 2,219.58 : x
  2. Step 2: Convert to fraction form
    6,379.25/9,569.72 = 2,219.58/x
  3. Step 3: Cross multiply
    6,379.25x = 9,569.72 × 2,219.58
  4. Step 4: Simplify right side
    6,379.25x = 21,240,748.02
  5. Step 5: Solve for x
    x = 21,240,748.02/6,379.25
  6. Step 6: Final answer
    x = 3,329.66

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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.