Home / 5,008.02-6,911.12-2,739.42

Finding the Fourth Proportional to 5,008.02, 6,911.12 and 2,739.42

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Solution

The fourth proportional to 5,008.02, 6,911.12 and 2,739.42 is: 3,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.02 : 6,911.12 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    5,008.02/6,911.12 = 2,739.42/x
  3. Step 3: Cross multiply
    5,008.02x = 6,911.12 × 2,739.42
  4. Step 4: Simplify right side
    5,008.02x = 18,932,446.65
  5. Step 5: Solve for x
    x = 18,932,446.65/5,008.02
  6. Step 6: Final answer
    x = 3,780.43

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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.