Home / 6,447.25-9,671.39-2,749.52

Finding the Fourth Proportional to 6,447.25, 9,671.39 and 2,749.52

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Solution

The fourth proportional to 6,447.25, 9,671.39 and 2,749.52 is: 4,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.25 : 9,671.39 = 2,749.52 : x
  2. Step 2: Convert to fraction form
    6,447.25/9,671.39 = 2,749.52/x
  3. Step 3: Cross multiply
    6,447.25x = 9,671.39 × 2,749.52
  4. Step 4: Simplify right side
    6,447.25x = 26,591,642.19
  5. Step 5: Solve for x
    x = 26,591,642.19/6,447.25
  6. Step 6: Final answer
    x = 4,124.49

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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.