Home / 6,897.53-9,518.64-3,753.79

Finding the Fourth Proportional to 6,897.53, 9,518.64 and 3,753.79

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Solution

The fourth proportional to 6,897.53, 9,518.64 and 3,753.79 is: 5,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.53 : 9,518.64 = 3,753.79 : x
  2. Step 2: Convert to fraction form
    6,897.53/9,518.64 = 3,753.79/x
  3. Step 3: Cross multiply
    6,897.53x = 9,518.64 × 3,753.79
  4. Step 4: Simplify right side
    6,897.53x = 35,730,975.65
  5. Step 5: Solve for x
    x = 35,730,975.65/6,897.53
  6. Step 6: Final answer
    x = 5,180.26

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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.