Home / 4,213.31-6,318.41-1,439.22

Finding the Fourth Proportional to 4,213.31, 6,318.41 and 1,439.22

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Solution

The fourth proportional to 4,213.31, 6,318.41 and 1,439.22 is: 2,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.31 : 6,318.41 = 1,439.22 : x
  2. Step 2: Convert to fraction form
    4,213.31/6,318.41 = 1,439.22/x
  3. Step 3: Cross multiply
    4,213.31x = 6,318.41 × 1,439.22
  4. Step 4: Simplify right side
    4,213.31x = 9,093,574.84
  5. Step 5: Solve for x
    x = 9,093,574.84/4,213.31
  6. Step 6: Final answer
    x = 2,158.30

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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.