Home / 5,691.02-8,529.72-3,717.60

Finding the Fourth Proportional to 5,691.02, 8,529.72 and 3,717.60

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Solution

The fourth proportional to 5,691.02, 8,529.72 and 3,717.60 is: 5,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.02 : 8,529.72 = 3,717.60 : x
  2. Step 2: Convert to fraction form
    5,691.02/8,529.72 = 3,717.60/x
  3. Step 3: Cross multiply
    5,691.02x = 8,529.72 × 3,717.60
  4. Step 4: Simplify right side
    5,691.02x = 31,710,087.07
  5. Step 5: Solve for x
    x = 31,710,087.07/5,691.02
  6. Step 6: Final answer
    x = 5,571.95

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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.