Home / 6,358.47-9,538.98-2,198.64

Finding the Fourth Proportional to 6,358.47, 9,538.98 and 2,198.64

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Solution

The fourth proportional to 6,358.47, 9,538.98 and 2,198.64 is: 3,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.47 : 9,538.98 = 2,198.64 : x
  2. Step 2: Convert to fraction form
    6,358.47/9,538.98 = 2,198.64/x
  3. Step 3: Cross multiply
    6,358.47x = 9,538.98 × 2,198.64
  4. Step 4: Simplify right side
    6,358.47x = 20,972,782.99
  5. Step 5: Solve for x
    x = 20,972,782.99/6,358.47
  6. Step 6: Final answer
    x = 3,298.40

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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.