Home / 4,331.35-6,497.40-1,211.38

Finding the Fourth Proportional to 4,331.35, 6,497.40 and 1,211.38

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Solution

The fourth proportional to 4,331.35, 6,497.40 and 1,211.38 is: 1,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.35 : 6,497.40 = 1,211.38 : x
  2. Step 2: Convert to fraction form
    4,331.35/6,497.40 = 1,211.38/x
  3. Step 3: Cross multiply
    4,331.35x = 6,497.40 × 1,211.38
  4. Step 4: Simplify right side
    4,331.35x = 7,870,820.41
  5. Step 5: Solve for x
    x = 7,870,820.41/4,331.35
  6. Step 6: Final answer
    x = 1,817.17

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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.