Home / 5,416.83-8,123.60-2,296.78

Finding the Fourth Proportional to 5,416.83, 8,123.60 and 2,296.78

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Solution

The fourth proportional to 5,416.83, 8,123.60 and 2,296.78 is: 3,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.83 : 8,123.60 = 2,296.78 : x
  2. Step 2: Convert to fraction form
    5,416.83/8,123.60 = 2,296.78/x
  3. Step 3: Cross multiply
    5,416.83x = 8,123.60 × 2,296.78
  4. Step 4: Simplify right side
    5,416.83x = 18,658,122.01
  5. Step 5: Solve for x
    x = 18,658,122.01/5,416.83
  6. Step 6: Final answer
    x = 3,444.47

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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.