Home / 5,696.02-7,859.72-3,177.84

Finding the Fourth Proportional to 5,696.02, 7,859.72 and 3,177.84

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Solution

The fourth proportional to 5,696.02, 7,859.72 and 3,177.84 is: 4,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.02 : 7,859.72 = 3,177.84 : x
  2. Step 2: Convert to fraction form
    5,696.02/7,859.72 = 3,177.84/x
  3. Step 3: Cross multiply
    5,696.02x = 7,859.72 × 3,177.84
  4. Step 4: Simplify right side
    5,696.02x = 24,976,932.60
  5. Step 5: Solve for x
    x = 24,976,932.60/5,696.02
  6. Step 6: Final answer
    x = 4,384.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.