Home / 4,791.12-6,611.76-2,695.20

Finding the Fourth Proportional to 4,791.12, 6,611.76 and 2,695.20

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Solution

The fourth proportional to 4,791.12, 6,611.76 and 2,695.20 is: 3,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.12 : 6,611.76 = 2,695.20 : x
  2. Step 2: Convert to fraction form
    4,791.12/6,611.76 = 2,695.20/x
  3. Step 3: Cross multiply
    4,791.12x = 6,611.76 × 2,695.20
  4. Step 4: Simplify right side
    4,791.12x = 17,820,015.55
  5. Step 5: Solve for x
    x = 17,820,015.55/4,791.12
  6. Step 6: Final answer
    x = 3,719.38

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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.