Home / 5,061.36-6,986.16-3,199.44

Finding the Fourth Proportional to 5,061.36, 6,986.16 and 3,199.44

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Solution

The fourth proportional to 5,061.36, 6,986.16 and 3,199.44 is: 4,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.36 : 6,986.16 = 3,199.44 : x
  2. Step 2: Convert to fraction form
    5,061.36/6,986.16 = 3,199.44/x
  3. Step 3: Cross multiply
    5,061.36x = 6,986.16 × 3,199.44
  4. Step 4: Simplify right side
    5,061.36x = 22,351,799.75
  5. Step 5: Solve for x
    x = 22,351,799.75/5,061.36
  6. Step 6: Final answer
    x = 4,416.16

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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.