Home / 3,909.02-5,864.56-1,135.95

Finding the Fourth Proportional to 3,909.02, 5,864.56 and 1,135.95

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Solution

The fourth proportional to 3,909.02, 5,864.56 and 1,135.95 is: 1,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.02 : 5,864.56 = 1,135.95 : x
  2. Step 2: Convert to fraction form
    3,909.02/5,864.56 = 1,135.95/x
  3. Step 3: Cross multiply
    3,909.02x = 5,864.56 × 1,135.95
  4. Step 4: Simplify right side
    3,909.02x = 6,661,844.09
  5. Step 5: Solve for x
    x = 6,661,844.09/3,909.02
  6. Step 6: Final answer
    x = 1,704.23

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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.