Home / 5,199.55-7,168.80-3,782.14

Finding the Fourth Proportional to 5,199.55, 7,168.80 and 3,782.14

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Solution

The fourth proportional to 5,199.55, 7,168.80 and 3,782.14 is: 5,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.55 : 7,168.80 = 3,782.14 : x
  2. Step 2: Convert to fraction form
    5,199.55/7,168.80 = 3,782.14/x
  3. Step 3: Cross multiply
    5,199.55x = 7,168.80 × 3,782.14
  4. Step 4: Simplify right side
    5,199.55x = 27,113,405.23
  5. Step 5: Solve for x
    x = 27,113,405.23/5,199.55
  6. Step 6: Final answer
    x = 5,214.57

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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.