Home / 5,265.80-7,266.43-2,907.75

Finding the Fourth Proportional to 5,265.80, 7,266.43 and 2,907.75

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Solution

The fourth proportional to 5,265.80, 7,266.43 and 2,907.75 is: 4,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.80 : 7,266.43 = 2,907.75 : x
  2. Step 2: Convert to fraction form
    5,265.80/7,266.43 = 2,907.75/x
  3. Step 3: Cross multiply
    5,265.80x = 7,266.43 × 2,907.75
  4. Step 4: Simplify right side
    5,265.80x = 21,128,965.47
  5. Step 5: Solve for x
    x = 21,128,965.47/5,265.80
  6. Step 6: Final answer
    x = 4,012.49

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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.