Home / 5,089.75-7,023.71-2,851.88

Finding the Fourth Proportional to 5,089.75, 7,023.71 and 2,851.88

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Solution

The fourth proportional to 5,089.75, 7,023.71 and 2,851.88 is: 3,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.75 : 7,023.71 = 2,851.88 : x
  2. Step 2: Convert to fraction form
    5,089.75/7,023.71 = 2,851.88/x
  3. Step 3: Cross multiply
    5,089.75x = 7,023.71 × 2,851.88
  4. Step 4: Simplify right side
    5,089.75x = 20,030,750.09
  5. Step 5: Solve for x
    x = 20,030,750.09/5,089.75
  6. Step 6: Final answer
    x = 3,935.51

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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.