Home / 5,270.20-7,907.70-2,495.80

Finding the Fourth Proportional to 5,270.20, 7,907.70 and 2,495.80

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Solution

The fourth proportional to 5,270.20, 7,907.70 and 2,495.80 is: 3,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.20 : 7,907.70 = 2,495.80 : x
  2. Step 2: Convert to fraction form
    5,270.20/7,907.70 = 2,495.80/x
  3. Step 3: Cross multiply
    5,270.20x = 7,907.70 × 2,495.80
  4. Step 4: Simplify right side
    5,270.20x = 19,736,037.66
  5. Step 5: Solve for x
    x = 19,736,037.66/5,270.20
  6. Step 6: Final answer
    x = 3,744.84

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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.