Home / 5,214.08-7,824.32-2,136

Finding the Fourth Proportional to 5,214.08, 7,824.32 and 2,136

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Solution

The fourth proportional to 5,214.08, 7,824.32 and 2,136 is: 3,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.08 : 7,824.32 = 2,136 : x
  2. Step 2: Convert to fraction form
    5,214.08/7,824.32 = 2,136/x
  3. Step 3: Cross multiply
    5,214.08x = 7,824.32 × 2,136
  4. Step 4: Simplify right side
    5,214.08x = 16,712,747.52
  5. Step 5: Solve for x
    x = 16,712,747.52/5,214.08
  6. Step 6: Final answer
    x = 3,205.31

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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.