Home / 5,487.81-8,235.59-2,201.82

Finding the Fourth Proportional to 5,487.81, 8,235.59 and 2,201.82

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Solution

The fourth proportional to 5,487.81, 8,235.59 and 2,201.82 is: 3,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.81 : 8,235.59 = 2,201.82 : x
  2. Step 2: Convert to fraction form
    5,487.81/8,235.59 = 2,201.82/x
  3. Step 3: Cross multiply
    5,487.81x = 8,235.59 × 2,201.82
  4. Step 4: Simplify right side
    5,487.81x = 18,133,275.76
  5. Step 5: Solve for x
    x = 18,133,275.76/5,487.81
  6. Step 6: Final answer
    x = 3,304.28

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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.