Home / 5,605.47-8,402.43-2,486.94

Finding the Fourth Proportional to 5,605.47, 8,402.43 and 2,486.94

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Solution

The fourth proportional to 5,605.47, 8,402.43 and 2,486.94 is: 3,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.47 : 8,402.43 = 2,486.94 : x
  2. Step 2: Convert to fraction form
    5,605.47/8,402.43 = 2,486.94/x
  3. Step 3: Cross multiply
    5,605.47x = 8,402.43 × 2,486.94
  4. Step 4: Simplify right side
    5,605.47x = 20,896,357.35
  5. Step 5: Solve for x
    x = 20,896,357.35/5,605.47
  6. Step 6: Final answer
    x = 3,727.85

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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.