Home / 5,477.02-8,221.69-2,192.43

Finding the Fourth Proportional to 5,477.02, 8,221.69 and 2,192.43

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Solution

The fourth proportional to 5,477.02, 8,221.69 and 2,192.43 is: 3,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.02 : 8,221.69 = 2,192.43 : x
  2. Step 2: Convert to fraction form
    5,477.02/8,221.69 = 2,192.43/x
  3. Step 3: Cross multiply
    5,477.02x = 8,221.69 × 2,192.43
  4. Step 4: Simplify right side
    5,477.02x = 18,025,479.81
  5. Step 5: Solve for x
    x = 18,025,479.81/5,477.02
  6. Step 6: Final answer
    x = 3,291.11

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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.