Home / 6,897.96-10,349.46-3,387.60

Finding the Fourth Proportional to 6,897.96, 10,349.46 and 3,387.60

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Solution

The fourth proportional to 6,897.96, 10,349.46 and 3,387.60 is: 5,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.96 : 10,349.46 = 3,387.60 : x
  2. Step 2: Convert to fraction form
    6,897.96/10,349.46 = 3,387.60/x
  3. Step 3: Cross multiply
    6,897.96x = 10,349.46 × 3,387.60
  4. Step 4: Simplify right side
    6,897.96x = 35,059,830.70
  5. Step 5: Solve for x
    x = 35,059,830.70/6,897.96
  6. Step 6: Final answer
    x = 5,082.64

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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.