Home / 4,947-7,420.73-2,754.08

Finding the Fourth Proportional to 4,947, 7,420.73 and 2,754.08

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Solution

The fourth proportional to 4,947, 7,420.73 and 2,754.08 is: 4,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947 : 7,420.73 = 2,754.08 : x
  2. Step 2: Convert to fraction form
    4,947/7,420.73 = 2,754.08/x
  3. Step 3: Cross multiply
    4,947x = 7,420.73 × 2,754.08
  4. Step 4: Simplify right side
    4,947x = 20,437,284.08
  5. Step 5: Solve for x
    x = 20,437,284.08/4,947
  6. Step 6: Final answer
    x = 4,131.25

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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.