Home / 4,743.23-7,115.76-1,821.32

Finding the Fourth Proportional to 4,743.23, 7,115.76 and 1,821.32

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Solution

The fourth proportional to 4,743.23, 7,115.76 and 1,821.32 is: 2,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.23 : 7,115.76 = 1,821.32 : x
  2. Step 2: Convert to fraction form
    4,743.23/7,115.76 = 1,821.32/x
  3. Step 3: Cross multiply
    4,743.23x = 7,115.76 × 1,821.32
  4. Step 4: Simplify right side
    4,743.23x = 12,960,040.42
  5. Step 5: Solve for x
    x = 12,960,040.42/4,743.23
  6. Step 6: Final answer
    x = 2,732.33

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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.