Home / 7,099.38-10,649.52-3,391.38

Finding the Fourth Proportional to 7,099.38, 10,649.52 and 3,391.38

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Solution

The fourth proportional to 7,099.38, 10,649.52 and 3,391.38 is: 5,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.38 : 10,649.52 = 3,391.38 : x
  2. Step 2: Convert to fraction form
    7,099.38/10,649.52 = 3,391.38/x
  3. Step 3: Cross multiply
    7,099.38x = 10,649.52 × 3,391.38
  4. Step 4: Simplify right side
    7,099.38x = 36,116,569.14
  5. Step 5: Solve for x
    x = 36,116,569.14/7,099.38
  6. Step 6: Final answer
    x = 5,087.28

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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.