Home / 4,291.50-6,435.87-2,211.23

Finding the Fourth Proportional to 4,291.50, 6,435.87 and 2,211.23

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Solution

The fourth proportional to 4,291.50, 6,435.87 and 2,211.23 is: 3,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.50 : 6,435.87 = 2,211.23 : x
  2. Step 2: Convert to fraction form
    4,291.50/6,435.87 = 2,211.23/x
  3. Step 3: Cross multiply
    4,291.50x = 6,435.87 × 2,211.23
  4. Step 4: Simplify right side
    4,291.50x = 14,231,188.82
  5. Step 5: Solve for x
    x = 14,231,188.82/4,291.50
  6. Step 6: Final answer
    x = 3,316.13

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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.