Home / 5,099.36-7,649.92-1,811.68

Finding the Fourth Proportional to 5,099.36, 7,649.92 and 1,811.68

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Solution

The fourth proportional to 5,099.36, 7,649.92 and 1,811.68 is: 2,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.36 : 7,649.92 = 1,811.68 : x
  2. Step 2: Convert to fraction form
    5,099.36/7,649.92 = 1,811.68/x
  3. Step 3: Cross multiply
    5,099.36x = 7,649.92 × 1,811.68
  4. Step 4: Simplify right side
    5,099.36x = 13,859,207.07
  5. Step 5: Solve for x
    x = 13,859,207.07/5,099.36
  6. Step 6: Final answer
    x = 2,717.83

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1.5x scale

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.