Home / 5,265.39-7,898.07-1,316.64

Finding the Fourth Proportional to 5,265.39, 7,898.07 and 1,316.64

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Solution

The fourth proportional to 5,265.39, 7,898.07 and 1,316.64 is: 1,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.39 : 7,898.07 = 1,316.64 : x
  2. Step 2: Convert to fraction form
    5,265.39/7,898.07 = 1,316.64/x
  3. Step 3: Cross multiply
    5,265.39x = 7,898.07 × 1,316.64
  4. Step 4: Simplify right side
    5,265.39x = 10,398,914.88
  5. Step 5: Solve for x
    x = 10,398,914.88/5,265.39
  6. Step 6: Final answer
    x = 1,974.96

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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.