Home / 5,647.32-8,468.60-2,136.72

Finding the Fourth Proportional to 5,647.32, 8,468.60 and 2,136.72

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Solution

The fourth proportional to 5,647.32, 8,468.60 and 2,136.72 is: 3,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.32 : 8,468.60 = 2,136.72 : x
  2. Step 2: Convert to fraction form
    5,647.32/8,468.60 = 2,136.72/x
  3. Step 3: Cross multiply
    5,647.32x = 8,468.60 × 2,136.72
  4. Step 4: Simplify right side
    5,647.32x = 18,095,026.99
  5. Step 5: Solve for x
    x = 18,095,026.99/5,647.32
  6. Step 6: Final answer
    x = 3,204.18

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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.