Home / 5,177.07-7,759.44-2,981.25

Finding the Fourth Proportional to 5,177.07, 7,759.44 and 2,981.25

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Solution

The fourth proportional to 5,177.07, 7,759.44 and 2,981.25 is: 4,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.07 : 7,759.44 = 2,981.25 : x
  2. Step 2: Convert to fraction form
    5,177.07/7,759.44 = 2,981.25/x
  3. Step 3: Cross multiply
    5,177.07x = 7,759.44 × 2,981.25
  4. Step 4: Simplify right side
    5,177.07x = 23,132,830.50
  5. Step 5: Solve for x
    x = 23,132,830.50/5,177.07
  6. Step 6: Final answer
    x = 4,468.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.