Home / 6,580.18-9,870.48-2,198.02

Finding the Fourth Proportional to 6,580.18, 9,870.48 and 2,198.02

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Solution

The fourth proportional to 6,580.18, 9,870.48 and 2,198.02 is: 3,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.18 : 9,870.48 = 2,198.02 : x
  2. Step 2: Convert to fraction form
    6,580.18/9,870.48 = 2,198.02/x
  3. Step 3: Cross multiply
    6,580.18x = 9,870.48 × 2,198.02
  4. Step 4: Simplify right side
    6,580.18x = 21,695,512.45
  5. Step 5: Solve for x
    x = 21,695,512.45/6,580.18
  6. Step 6: Final answer
    x = 3,297.10

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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.