Home / 9,140.36-13,712.85-2,566.58

Finding the Fourth Proportional to 9,140.36, 13,712.85 and 2,566.58

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Solution

The fourth proportional to 9,140.36, 13,712.85 and 2,566.58 is: 3,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.36 : 13,712.85 = 2,566.58 : x
  2. Step 2: Convert to fraction form
    9,140.36/13,712.85 = 2,566.58/x
  3. Step 3: Cross multiply
    9,140.36x = 13,712.85 × 2,566.58
  4. Step 4: Simplify right side
    9,140.36x = 35,195,057.99
  5. Step 5: Solve for x
    x = 35,195,057.99/9,140.36
  6. Step 6: Final answer
    x = 3,850.51

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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.