Home / 5,099.22-7,649.51-2,178.19

Finding the Fourth Proportional to 5,099.22, 7,649.51 and 2,178.19

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Solution

The fourth proportional to 5,099.22, 7,649.51 and 2,178.19 is: 3,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.22 : 7,649.51 = 2,178.19 : x
  2. Step 2: Convert to fraction form
    5,099.22/7,649.51 = 2,178.19/x
  3. Step 3: Cross multiply
    5,099.22x = 7,649.51 × 2,178.19
  4. Step 4: Simplify right side
    5,099.22x = 16,662,084.86
  5. Step 5: Solve for x
    x = 16,662,084.86/5,099.22
  6. Step 6: Final answer
    x = 3,267.58

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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.