Home / 5,310.71-7,966.47-1,613.27

Finding the Fourth Proportional to 5,310.71, 7,966.47 and 1,613.27

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Solution

The fourth proportional to 5,310.71, 7,966.47 and 1,613.27 is: 2,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.71 : 7,966.47 = 1,613.27 : x
  2. Step 2: Convert to fraction form
    5,310.71/7,966.47 = 1,613.27/x
  3. Step 3: Cross multiply
    5,310.71x = 7,966.47 × 1,613.27
  4. Step 4: Simplify right side
    5,310.71x = 12,852,067.06
  5. Step 5: Solve for x
    x = 12,852,067.06/5,310.71
  6. Step 6: Final answer
    x = 2,420.03

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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.