Home / 5,179.02-7,151.07-3,190.50

Finding the Fourth Proportional to 5,179.02, 7,151.07 and 3,190.50

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Solution

The fourth proportional to 5,179.02, 7,151.07 and 3,190.50 is: 4,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.02 : 7,151.07 = 3,190.50 : x
  2. Step 2: Convert to fraction form
    5,179.02/7,151.07 = 3,190.50/x
  3. Step 3: Cross multiply
    5,179.02x = 7,151.07 × 3,190.50
  4. Step 4: Simplify right side
    5,179.02x = 22,815,488.84
  5. Step 5: Solve for x
    x = 22,815,488.84/5,179.02
  6. Step 6: Final answer
    x = 4,405.37

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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.