Home / 5,265.47-7,266.32-2,907.61

Finding the Fourth Proportional to 5,265.47, 7,266.32 and 2,907.61

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Solution

The fourth proportional to 5,265.47, 7,266.32 and 2,907.61 is: 4,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.47 : 7,266.32 = 2,907.61 : x
  2. Step 2: Convert to fraction form
    5,265.47/7,266.32 = 2,907.61/x
  3. Step 3: Cross multiply
    5,265.47x = 7,266.32 × 2,907.61
  4. Step 4: Simplify right side
    5,265.47x = 21,127,573.83
  5. Step 5: Solve for x
    x = 21,127,573.83/5,265.47
  6. Step 6: Final answer
    x = 4,012.48

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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.