Home / 6,447.24-9,655.02-3,149.70

Finding the Fourth Proportional to 6,447.24, 9,655.02 and 3,149.70

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Solution

The fourth proportional to 6,447.24, 9,655.02 and 3,149.70 is: 4,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.24 : 9,655.02 = 3,149.70 : x
  2. Step 2: Convert to fraction form
    6,447.24/9,655.02 = 3,149.70/x
  3. Step 3: Cross multiply
    6,447.24x = 9,655.02 × 3,149.70
  4. Step 4: Simplify right side
    6,447.24x = 30,410,416.49
  5. Step 5: Solve for x
    x = 30,410,416.49/6,447.24
  6. Step 6: Final answer
    x = 4,716.81

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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.