Home / 6,189.94-9,327.49-5,118.40

Finding the Fourth Proportional to 6,189.94, 9,327.49 and 5,118.40

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Solution

The fourth proportional to 6,189.94, 9,327.49 and 5,118.40 is: 7,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.94 : 9,327.49 = 5,118.40 : x
  2. Step 2: Convert to fraction form
    6,189.94/9,327.49 = 5,118.40/x
  3. Step 3: Cross multiply
    6,189.94x = 9,327.49 × 5,118.40
  4. Step 4: Simplify right side
    6,189.94x = 47,741,824.82
  5. Step 5: Solve for x
    x = 47,741,824.82/6,189.94
  6. Step 6: Final answer
    x = 7,712.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.