Home / 5,099.43-7,037.16-3,109.86

Finding the Fourth Proportional to 5,099.43, 7,037.16 and 3,109.86

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Solution

The fourth proportional to 5,099.43, 7,037.16 and 3,109.86 is: 4,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.43 : 7,037.16 = 3,109.86 : x
  2. Step 2: Convert to fraction form
    5,099.43/7,037.16 = 3,109.86/x
  3. Step 3: Cross multiply
    5,099.43x = 7,037.16 × 3,109.86
  4. Step 4: Simplify right side
    5,099.43x = 21,884,582.40
  5. Step 5: Solve for x
    x = 21,884,582.40/5,099.43
  6. Step 6: Final answer
    x = 4,291.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.