Home / 5,111.04-7,669.53-2,149.26

Finding the Fourth Proportional to 5,111.04, 7,669.53 and 2,149.26

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Solution

The fourth proportional to 5,111.04, 7,669.53 and 2,149.26 is: 3,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.04 : 7,669.53 = 2,149.26 : x
  2. Step 2: Convert to fraction form
    5,111.04/7,669.53 = 2,149.26/x
  3. Step 3: Cross multiply
    5,111.04x = 7,669.53 × 2,149.26
  4. Step 4: Simplify right side
    5,111.04x = 16,483,827.85
  5. Step 5: Solve for x
    x = 16,483,827.85/5,111.04
  6. Step 6: Final answer
    x = 3,225.14

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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.