Home / 5,521.38-8,280.04-1,822.51

Finding the Fourth Proportional to 5,521.38, 8,280.04 and 1,822.51

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Solution

The fourth proportional to 5,521.38, 8,280.04 and 1,822.51 is: 2,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.38 : 8,280.04 = 1,822.51 : x
  2. Step 2: Convert to fraction form
    5,521.38/8,280.04 = 1,822.51/x
  3. Step 3: Cross multiply
    5,521.38x = 8,280.04 × 1,822.51
  4. Step 4: Simplify right side
    5,521.38x = 15,090,455.70
  5. Step 5: Solve for x
    x = 15,090,455.70/5,521.38
  6. Step 6: Final answer
    x = 2,733.09

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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.