Home / 5,412.04-8,122.67-2,127.43

Finding the Fourth Proportional to 5,412.04, 8,122.67 and 2,127.43

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Solution

The fourth proportional to 5,412.04, 8,122.67 and 2,127.43 is: 3,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.04 : 8,122.67 = 2,127.43 : x
  2. Step 2: Convert to fraction form
    5,412.04/8,122.67 = 2,127.43/x
  3. Step 3: Cross multiply
    5,412.04x = 8,122.67 × 2,127.43
  4. Step 4: Simplify right side
    5,412.04x = 17,280,411.84
  5. Step 5: Solve for x
    x = 17,280,411.84/5,412.04
  6. Step 6: Final answer
    x = 3,192.96

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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.