Home / 5,089.73-7,023.71-2,851.70

Finding the Fourth Proportional to 5,089.73, 7,023.71 and 2,851.70

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Solution

The fourth proportional to 5,089.73, 7,023.71 and 2,851.70 is: 3,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.73 : 7,023.71 = 2,851.70 : x
  2. Step 2: Convert to fraction form
    5,089.73/7,023.71 = 2,851.70/x
  3. Step 3: Cross multiply
    5,089.73x = 7,023.71 × 2,851.70
  4. Step 4: Simplify right side
    5,089.73x = 20,029,499.55
  5. Step 5: Solve for x
    x = 20,029,499.55/5,089.73
  6. Step 6: Final answer
    x = 3,935.28

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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.