Home / 7,221.12-10,832.12-2,027.40

Finding the Fourth Proportional to 7,221.12, 10,832.12 and 2,027.40

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Solution

The fourth proportional to 7,221.12, 10,832.12 and 2,027.40 is: 3,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.12 : 10,832.12 = 2,027.40 : x
  2. Step 2: Convert to fraction form
    7,221.12/10,832.12 = 2,027.40/x
  3. Step 3: Cross multiply
    7,221.12x = 10,832.12 × 2,027.40
  4. Step 4: Simplify right side
    7,221.12x = 21,961,040.09
  5. Step 5: Solve for x
    x = 21,961,040.09/7,221.12
  6. Step 6: Final answer
    x = 3,041.22

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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.