Home / 8,935.08-13,402.80-3,391.02

Finding the Fourth Proportional to 8,935.08, 13,402.80 and 3,391.02

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Solution

The fourth proportional to 8,935.08, 13,402.80 and 3,391.02 is: 5,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.08 : 13,402.80 = 3,391.02 : x
  2. Step 2: Convert to fraction form
    8,935.08/13,402.80 = 3,391.02/x
  3. Step 3: Cross multiply
    8,935.08x = 13,402.80 × 3,391.02
  4. Step 4: Simplify right side
    8,935.08x = 45,449,162.86
  5. Step 5: Solve for x
    x = 45,449,162.86/8,935.08
  6. Step 6: Final answer
    x = 5,086.60

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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.