Home / 5,146.40-7,721.04-2,226.08

Finding the Fourth Proportional to 5,146.40, 7,721.04 and 2,226.08

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Solution

The fourth proportional to 5,146.40, 7,721.04 and 2,226.08 is: 3,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.40 : 7,721.04 = 2,226.08 : x
  2. Step 2: Convert to fraction form
    5,146.40/7,721.04 = 2,226.08/x
  3. Step 3: Cross multiply
    5,146.40x = 7,721.04 × 2,226.08
  4. Step 4: Simplify right side
    5,146.40x = 17,187,652.72
  5. Step 5: Solve for x
    x = 17,187,652.72/5,146.40
  6. Step 6: Final answer
    x = 3,339.74

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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.