Home / 6,579.70-9,870.30-2,197.60

Finding the Fourth Proportional to 6,579.70, 9,870.30 and 2,197.60

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Solution

The fourth proportional to 6,579.70, 9,870.30 and 2,197.60 is: 3,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.70 : 9,870.30 = 2,197.60 : x
  2. Step 2: Convert to fraction form
    6,579.70/9,870.30 = 2,197.60/x
  3. Step 3: Cross multiply
    6,579.70x = 9,870.30 × 2,197.60
  4. Step 4: Simplify right side
    6,579.70x = 21,690,971.28
  5. Step 5: Solve for x
    x = 21,690,971.28/6,579.70
  6. Step 6: Final answer
    x = 3,296.65

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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.