Home / 5,114.18-7,656.53-2,999.39

Finding the Fourth Proportional to 5,114.18, 7,656.53 and 2,999.39

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Solution

The fourth proportional to 5,114.18, 7,656.53 and 2,999.39 is: 4,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.18 : 7,656.53 = 2,999.39 : x
  2. Step 2: Convert to fraction form
    5,114.18/7,656.53 = 2,999.39/x
  3. Step 3: Cross multiply
    5,114.18x = 7,656.53 × 2,999.39
  4. Step 4: Simplify right side
    5,114.18x = 22,964,919.52
  5. Step 5: Solve for x
    x = 22,964,919.52/5,114.18
  6. Step 6: Final answer
    x = 4,490.44

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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.