Home / 5,019.61-6,921.57-3,743.86

Finding the Fourth Proportional to 5,019.61, 6,921.57 and 3,743.86

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Solution

The fourth proportional to 5,019.61, 6,921.57 and 3,743.86 is: 5,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.61 : 6,921.57 = 3,743.86 : x
  2. Step 2: Convert to fraction form
    5,019.61/6,921.57 = 3,743.86/x
  3. Step 3: Cross multiply
    5,019.61x = 6,921.57 × 3,743.86
  4. Step 4: Simplify right side
    5,019.61x = 25,913,389.06
  5. Step 5: Solve for x
    x = 25,913,389.06/5,019.61
  6. Step 6: Final answer
    x = 5,162.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.