Home / 5,721-7,895.46-3,624.36

Finding the Fourth Proportional to 5,721, 7,895.46 and 3,624.36

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Solution

The fourth proportional to 5,721, 7,895.46 and 3,624.36 is: 5,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721 : 7,895.46 = 3,624.36 : x
  2. Step 2: Convert to fraction form
    5,721/7,895.46 = 3,624.36/x
  3. Step 3: Cross multiply
    5,721x = 7,895.46 × 3,624.36
  4. Step 4: Simplify right side
    5,721x = 28,615,989.41
  5. Step 5: Solve for x
    x = 28,615,989.41/5,721
  6. Step 6: Final answer
    x = 5,001.92

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1.5x scale

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.