Home / 5,723.18-7,898.19-3,205.40

Finding the Fourth Proportional to 5,723.18, 7,898.19 and 3,205.40

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Solution

The fourth proportional to 5,723.18, 7,898.19 and 3,205.40 is: 4,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.18 : 7,898.19 = 3,205.40 : x
  2. Step 2: Convert to fraction form
    5,723.18/7,898.19 = 3,205.40/x
  3. Step 3: Cross multiply
    5,723.18x = 7,898.19 × 3,205.40
  4. Step 4: Simplify right side
    5,723.18x = 25,316,836.33
  5. Step 5: Solve for x
    x = 25,316,836.33/5,723.18
  6. Step 6: Final answer
    x = 4,423.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.