Home / 5,590.41-7,716.38-3,727.41

Finding the Fourth Proportional to 5,590.41, 7,716.38 and 3,727.41

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Solution

The fourth proportional to 5,590.41, 7,716.38 and 3,727.41 is: 5,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.41 : 7,716.38 = 3,727.41 : x
  2. Step 2: Convert to fraction form
    5,590.41/7,716.38 = 3,727.41/x
  3. Step 3: Cross multiply
    5,590.41x = 7,716.38 × 3,727.41
  4. Step 4: Simplify right side
    5,590.41x = 28,762,085.37
  5. Step 5: Solve for x
    x = 28,762,085.37/5,590.41
  6. Step 6: Final answer
    x = 5,144.90

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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.