Home / 6,645.15-9,959.94-4,270.19

Finding the Fourth Proportional to 6,645.15, 9,959.94 and 4,270.19

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Solution

The fourth proportional to 6,645.15, 9,959.94 and 4,270.19 is: 6,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.15 : 9,959.94 = 4,270.19 : x
  2. Step 2: Convert to fraction form
    6,645.15/9,959.94 = 4,270.19/x
  3. Step 3: Cross multiply
    6,645.15x = 9,959.94 × 4,270.19
  4. Step 4: Simplify right side
    6,645.15x = 42,530,786.39
  5. Step 5: Solve for x
    x = 42,530,786.39/6,645.15
  6. Step 6: Final answer
    x = 6,400.27

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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.