Home / 5,089.10-7,022.90-2,851.07

Finding the Fourth Proportional to 5,089.10, 7,022.90 and 2,851.07

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Solution

The fourth proportional to 5,089.10, 7,022.90 and 2,851.07 is: 3,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.10 : 7,022.90 = 2,851.07 : x
  2. Step 2: Convert to fraction form
    5,089.10/7,022.90 = 2,851.07/x
  3. Step 3: Cross multiply
    5,089.10x = 7,022.90 × 2,851.07
  4. Step 4: Simplify right side
    5,089.10x = 20,022,751.52
  5. Step 5: Solve for x
    x = 20,022,751.52/5,089.10
  6. Step 6: Final answer
    x = 3,934.44

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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.