Home / 4,331.72-6,497.63-1,211.54

Finding the Fourth Proportional to 4,331.72, 6,497.63 and 1,211.54

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Solution

The fourth proportional to 4,331.72, 6,497.63 and 1,211.54 is: 1,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.72 : 6,497.63 = 1,211.54 : x
  2. Step 2: Convert to fraction form
    4,331.72/6,497.63 = 1,211.54/x
  3. Step 3: Cross multiply
    4,331.72x = 6,497.63 × 1,211.54
  4. Step 4: Simplify right side
    4,331.72x = 7,872,100.10
  5. Step 5: Solve for x
    x = 7,872,100.10/4,331.72
  6. Step 6: Final answer
    x = 1,817.32

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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.