Home / 6,979.02-9,631.24-3,835.30

Finding the Fourth Proportional to 6,979.02, 9,631.24 and 3,835.30

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Solution

The fourth proportional to 6,979.02, 9,631.24 and 3,835.30 is: 5,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.02 : 9,631.24 = 3,835.30 : x
  2. Step 2: Convert to fraction form
    6,979.02/9,631.24 = 3,835.30/x
  3. Step 3: Cross multiply
    6,979.02x = 9,631.24 × 3,835.30
  4. Step 4: Simplify right side
    6,979.02x = 36,938,694.77
  5. Step 5: Solve for x
    x = 36,938,694.77/6,979.02
  6. Step 6: Final answer
    x = 5,292.82

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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.