Home / 4,221.16-6,331.74-1,101.15

Finding the Fourth Proportional to 4,221.16, 6,331.74 and 1,101.15

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Solution

The fourth proportional to 4,221.16, 6,331.74 and 1,101.15 is: 1,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.16 : 6,331.74 = 1,101.15 : x
  2. Step 2: Convert to fraction form
    4,221.16/6,331.74 = 1,101.15/x
  3. Step 3: Cross multiply
    4,221.16x = 6,331.74 × 1,101.15
  4. Step 4: Simplify right side
    4,221.16x = 6,972,191.37
  5. Step 5: Solve for x
    x = 6,972,191.37/4,221.16
  6. Step 6: Final answer
    x = 1,651.73

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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.