Home / 5,815.73-8,723.60-1,433.20

Finding the Fourth Proportional to 5,815.73, 8,723.60 and 1,433.20

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Solution

The fourth proportional to 5,815.73, 8,723.60 and 1,433.20 is: 2,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.73 : 8,723.60 = 1,433.20 : x
  2. Step 2: Convert to fraction form
    5,815.73/8,723.60 = 1,433.20/x
  3. Step 3: Cross multiply
    5,815.73x = 8,723.60 × 1,433.20
  4. Step 4: Simplify right side
    5,815.73x = 12,502,663.52
  5. Step 5: Solve for x
    x = 12,502,663.52/5,815.73
  6. Step 6: Final answer
    x = 2,149.80

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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.