Home / 5,726.10-7,903.90-3,489.42

Finding the Fourth Proportional to 5,726.10, 7,903.90 and 3,489.42

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Solution

The fourth proportional to 5,726.10, 7,903.90 and 3,489.42 is: 4,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.10 : 7,903.90 = 3,489.42 : x
  2. Step 2: Convert to fraction form
    5,726.10/7,903.90 = 3,489.42/x
  3. Step 3: Cross multiply
    5,726.10x = 7,903.90 × 3,489.42
  4. Step 4: Simplify right side
    5,726.10x = 27,580,026.74
  5. Step 5: Solve for x
    x = 27,580,026.74/5,726.10
  6. Step 6: Final answer
    x = 4,816.55

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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.