Home / 5,089.20-7,023.00-2,851.10

Finding the Fourth Proportional to 5,089.20, 7,023.00 and 2,851.10

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Solution

The fourth proportional to 5,089.20, 7,023.00 and 2,851.10 is: 3,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.20 : 7,023.00 = 2,851.10 : x
  2. Step 2: Convert to fraction form
    5,089.20/7,023.00 = 2,851.10/x
  3. Step 3: Cross multiply
    5,089.20x = 7,023.00 × 2,851.10
  4. Step 4: Simplify right side
    5,089.20x = 20,023,277.21
  5. Step 5: Solve for x
    x = 20,023,277.21/5,089.20
  6. Step 6: Final answer
    x = 3,934.47

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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.