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Finding the Fourth Proportional to 6,697.38, 9,238.95 and 4,340.28

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Solution

The fourth proportional to 6,697.38, 9,238.95 and 4,340.28 is: 5,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.38 : 9,238.95 = 4,340.28 : x
  2. Step 2: Convert to fraction form
    6,697.38/9,238.95 = 4,340.28/x
  3. Step 3: Cross multiply
    6,697.38x = 9,238.95 × 4,340.28
  4. Step 4: Simplify right side
    6,697.38x = 40,099,629.91
  5. Step 5: Solve for x
    x = 40,099,629.91/6,697.38
  6. Step 6: Final answer
    x = 5,987.36

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1.5x scale

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.