Home / 5,585.25-8,371.80-2,620.65

Finding the Fourth Proportional to 5,585.25, 8,371.80 and 2,620.65

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Solution

The fourth proportional to 5,585.25, 8,371.80 and 2,620.65 is: 3,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.25 : 8,371.80 = 2,620.65 : x
  2. Step 2: Convert to fraction form
    5,585.25/8,371.80 = 2,620.65/x
  3. Step 3: Cross multiply
    5,585.25x = 8,371.80 × 2,620.65
  4. Step 4: Simplify right side
    5,585.25x = 21,939,557.67
  5. Step 5: Solve for x
    x = 21,939,557.67/5,585.25
  6. Step 6: Final answer
    x = 3,928.12

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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.