Home / 5,518.89-8,266.65-4,343.31

Finding the Fourth Proportional to 5,518.89, 8,266.65 and 4,343.31

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Solution

The fourth proportional to 5,518.89, 8,266.65 and 4,343.31 is: 6,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.89 : 8,266.65 = 4,343.31 : x
  2. Step 2: Convert to fraction form
    5,518.89/8,266.65 = 4,343.31/x
  3. Step 3: Cross multiply
    5,518.89x = 8,266.65 × 4,343.31
  4. Step 4: Simplify right side
    5,518.89x = 35,904,623.61
  5. Step 5: Solve for x
    x = 35,904,623.61/5,518.89
  6. Step 6: Final answer
    x = 6,505.77

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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.