Home / 5,265.76-7,266.62-2,907.86

Finding the Fourth Proportional to 5,265.76, 7,266.62 and 2,907.86

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Solution

The fourth proportional to 5,265.76, 7,266.62 and 2,907.86 is: 4,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.76 : 7,266.62 = 2,907.86 : x
  2. Step 2: Convert to fraction form
    5,265.76/7,266.62 = 2,907.86/x
  3. Step 3: Cross multiply
    5,265.76x = 7,266.62 × 2,907.86
  4. Step 4: Simplify right side
    5,265.76x = 21,130,313.63
  5. Step 5: Solve for x
    x = 21,130,313.63/5,265.76
  6. Step 6: Final answer
    x = 4,012.78

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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.