Home / 4,975.80-7,463.98-1,512.78

Finding the Fourth Proportional to 4,975.80, 7,463.98 and 1,512.78

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Solution

The fourth proportional to 4,975.80, 7,463.98 and 1,512.78 is: 2,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.80 : 7,463.98 = 1,512.78 : x
  2. Step 2: Convert to fraction form
    4,975.80/7,463.98 = 1,512.78/x
  3. Step 3: Cross multiply
    4,975.80x = 7,463.98 × 1,512.78
  4. Step 4: Simplify right side
    4,975.80x = 11,291,359.66
  5. Step 5: Solve for x
    x = 11,291,359.66/4,975.80
  6. Step 6: Final answer
    x = 2,269.26

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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.