Home / 5,211.24-7,813.08-2,436.36

Finding the Fourth Proportional to 5,211.24, 7,813.08 and 2,436.36

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Solution

The fourth proportional to 5,211.24, 7,813.08 and 2,436.36 is: 3,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.24 : 7,813.08 = 2,436.36 : x
  2. Step 2: Convert to fraction form
    5,211.24/7,813.08 = 2,436.36/x
  3. Step 3: Cross multiply
    5,211.24x = 7,813.08 × 2,436.36
  4. Step 4: Simplify right side
    5,211.24x = 19,035,475.59
  5. Step 5: Solve for x
    x = 19,035,475.59/5,211.24
  6. Step 6: Final answer
    x = 3,652.77

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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.