Home / 6,919.03-9,548.31-3,934.69

Finding the Fourth Proportional to 6,919.03, 9,548.31 and 3,934.69

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Solution

The fourth proportional to 6,919.03, 9,548.31 and 3,934.69 is: 5,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.03 : 9,548.31 = 3,934.69 : x
  2. Step 2: Convert to fraction form
    6,919.03/9,548.31 = 3,934.69/x
  3. Step 3: Cross multiply
    6,919.03x = 9,548.31 × 3,934.69
  4. Step 4: Simplify right side
    6,919.03x = 37,569,639.87
  5. Step 5: Solve for x
    x = 37,569,639.87/6,919.03
  6. Step 6: Final answer
    x = 5,429.90

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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.