Home / 6,119.24-9,156.18-3,655.40

Finding the Fourth Proportional to 6,119.24, 9,156.18 and 3,655.40

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Solution

The fourth proportional to 6,119.24, 9,156.18 and 3,655.40 is: 5,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.24 : 9,156.18 = 3,655.40 : x
  2. Step 2: Convert to fraction form
    6,119.24/9,156.18 = 3,655.40/x
  3. Step 3: Cross multiply
    6,119.24x = 9,156.18 × 3,655.40
  4. Step 4: Simplify right side
    6,119.24x = 33,469,500.37
  5. Step 5: Solve for x
    x = 33,469,500.37/6,119.24
  6. Step 6: Final answer
    x = 5,469.55

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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.