Home / 5,398.26-8,099.94-3,089.76

Finding the Fourth Proportional to 5,398.26, 8,099.94 and 3,089.76

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Solution

The fourth proportional to 5,398.26, 8,099.94 and 3,089.76 is: 4,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.26 : 8,099.94 = 3,089.76 : x
  2. Step 2: Convert to fraction form
    5,398.26/8,099.94 = 3,089.76/x
  3. Step 3: Cross multiply
    5,398.26x = 8,099.94 × 3,089.76
  4. Step 4: Simplify right side
    5,398.26x = 25,026,870.61
  5. Step 5: Solve for x
    x = 25,026,870.61/5,398.26
  6. Step 6: Final answer
    x = 4,636.10

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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.