Home / 4,215.31-6,321.40-1,441.22

Finding the Fourth Proportional to 4,215.31, 6,321.40 and 1,441.22

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Solution

The fourth proportional to 4,215.31, 6,321.40 and 1,441.22 is: 2,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.31 : 6,321.40 = 1,441.22 : x
  2. Step 2: Convert to fraction form
    4,215.31/6,321.40 = 1,441.22/x
  3. Step 3: Cross multiply
    4,215.31x = 6,321.40 × 1,441.22
  4. Step 4: Simplify right side
    4,215.31x = 9,110,528.11
  5. Step 5: Solve for x
    x = 9,110,528.11/4,215.31
  6. Step 6: Final answer
    x = 2,161.29

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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.