Home / 5,345.74-8,020.23-3,788.75

Finding the Fourth Proportional to 5,345.74, 8,020.23 and 3,788.75

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Solution

The fourth proportional to 5,345.74, 8,020.23 and 3,788.75 is: 5,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.74 : 8,020.23 = 3,788.75 : x
  2. Step 2: Convert to fraction form
    5,345.74/8,020.23 = 3,788.75/x
  3. Step 3: Cross multiply
    5,345.74x = 8,020.23 × 3,788.75
  4. Step 4: Simplify right side
    5,345.74x = 30,386,652.26
  5. Step 5: Solve for x
    x = 30,386,652.26/5,345.74
  6. Step 6: Final answer
    x = 5,684.27

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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.