Home / 6,113.87-9,171.41-2,218.58

Finding the Fourth Proportional to 6,113.87, 9,171.41 and 2,218.58

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Solution

The fourth proportional to 6,113.87, 9,171.41 and 2,218.58 is: 3,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.87 : 9,171.41 = 2,218.58 : x
  2. Step 2: Convert to fraction form
    6,113.87/9,171.41 = 2,218.58/x
  3. Step 3: Cross multiply
    6,113.87x = 9,171.41 × 2,218.58
  4. Step 4: Simplify right side
    6,113.87x = 20,347,478.32
  5. Step 5: Solve for x
    x = 20,347,478.32/6,113.87
  6. Step 6: Final answer
    x = 3,328.09

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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.