Home / 7,451.37-11,161.32-5,100.33

Finding the Fourth Proportional to 7,451.37, 11,161.32 and 5,100.33

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Solution

The fourth proportional to 7,451.37, 11,161.32 and 5,100.33 is: 7,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.37 : 11,161.32 = 5,100.33 : x
  2. Step 2: Convert to fraction form
    7,451.37/11,161.32 = 5,100.33/x
  3. Step 3: Cross multiply
    7,451.37x = 11,161.32 × 5,100.33
  4. Step 4: Simplify right side
    7,451.37x = 56,926,415.24
  5. Step 5: Solve for x
    x = 56,926,415.24/7,451.37
  6. Step 6: Final answer
    x = 7,639.72

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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.