Home / 7,385.05-11,078.97-2,388.77

Finding the Fourth Proportional to 7,385.05, 11,078.97 and 2,388.77

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Solution

The fourth proportional to 7,385.05, 11,078.97 and 2,388.77 is: 3,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.05 : 11,078.97 = 2,388.77 : x
  2. Step 2: Convert to fraction form
    7,385.05/11,078.97 = 2,388.77/x
  3. Step 3: Cross multiply
    7,385.05x = 11,078.97 × 2,388.77
  4. Step 4: Simplify right side
    7,385.05x = 26,465,111.17
  5. Step 5: Solve for x
    x = 26,465,111.17/7,385.05
  6. Step 6: Final answer
    x = 3,583.61

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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.