Home / 5,617-8,425.50-1,721.38

Finding the Fourth Proportional to 5,617, 8,425.50 and 1,721.38

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Solution

The fourth proportional to 5,617, 8,425.50 and 1,721.38 is: 2,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617 : 8,425.50 = 1,721.38 : x
  2. Step 2: Convert to fraction form
    5,617/8,425.50 = 1,721.38/x
  3. Step 3: Cross multiply
    5,617x = 8,425.50 × 1,721.38
  4. Step 4: Simplify right side
    5,617x = 14,503,487.19
  5. Step 5: Solve for x
    x = 14,503,487.19/5,617
  6. Step 6: Final answer
    x = 2,582.07

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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.