Home / 5,195.51-7,168.96-2,957.42

Finding the Fourth Proportional to 5,195.51, 7,168.96 and 2,957.42

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Solution

The fourth proportional to 5,195.51, 7,168.96 and 2,957.42 is: 4,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.51 : 7,168.96 = 2,957.42 : x
  2. Step 2: Convert to fraction form
    5,195.51/7,168.96 = 2,957.42/x
  3. Step 3: Cross multiply
    5,195.51x = 7,168.96 × 2,957.42
  4. Step 4: Simplify right side
    5,195.51x = 21,201,647.30
  5. Step 5: Solve for x
    x = 21,201,647.30/5,195.51
  6. Step 6: Final answer
    x = 4,080.76

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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.