Home / 5,436.36-8,153.22-2,511.87

Finding the Fourth Proportional to 5,436.36, 8,153.22 and 2,511.87

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Solution

The fourth proportional to 5,436.36, 8,153.22 and 2,511.87 is: 3,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.36 : 8,153.22 = 2,511.87 : x
  2. Step 2: Convert to fraction form
    5,436.36/8,153.22 = 2,511.87/x
  3. Step 3: Cross multiply
    5,436.36x = 8,153.22 × 2,511.87
  4. Step 4: Simplify right side
    5,436.36x = 20,479,828.72
  5. Step 5: Solve for x
    x = 20,479,828.72/5,436.36
  6. Step 6: Final answer
    x = 3,767.20

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1.5x scale

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.