Home / 5,590.55-7,716.31-3,353.87

Finding the Fourth Proportional to 5,590.55, 7,716.31 and 3,353.87

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Solution

The fourth proportional to 5,590.55, 7,716.31 and 3,353.87 is: 4,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.55 : 7,716.31 = 3,353.87 : x
  2. Step 2: Convert to fraction form
    5,590.55/7,716.31 = 3,353.87/x
  3. Step 3: Cross multiply
    5,590.55x = 7,716.31 × 3,353.87
  4. Step 4: Simplify right side
    5,590.55x = 25,879,453.65
  5. Step 5: Solve for x
    x = 25,879,453.65/5,590.55
  6. Step 6: Final answer
    x = 4,629.15

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1.5x scale

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.