Home / 4,322.12-6,482.38-2,129.48

Finding the Fourth Proportional to 4,322.12, 6,482.38 and 2,129.48

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Solution

The fourth proportional to 4,322.12, 6,482.38 and 2,129.48 is: 3,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.12 : 6,482.38 = 2,129.48 : x
  2. Step 2: Convert to fraction form
    4,322.12/6,482.38 = 2,129.48/x
  3. Step 3: Cross multiply
    4,322.12x = 6,482.38 × 2,129.48
  4. Step 4: Simplify right side
    4,322.12x = 13,804,098.56
  5. Step 5: Solve for x
    x = 13,804,098.56/4,322.12
  6. Step 6: Final answer
    x = 3,193.83

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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.