Home / 9,135.64-13,703.19-2,561.68

Finding the Fourth Proportional to 9,135.64, 13,703.19 and 2,561.68

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Solution

The fourth proportional to 9,135.64, 13,703.19 and 2,561.68 is: 3,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.64 : 13,703.19 = 2,561.68 : x
  2. Step 2: Convert to fraction form
    9,135.64/13,703.19 = 2,561.68/x
  3. Step 3: Cross multiply
    9,135.64x = 13,703.19 × 2,561.68
  4. Step 4: Simplify right side
    9,135.64x = 35,103,187.76
  5. Step 5: Solve for x
    x = 35,103,187.76/9,135.64
  6. Step 6: Final answer
    x = 3,842.44

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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.