Home / 6,919.30-9,548.76-3,934.90

Finding the Fourth Proportional to 6,919.30, 9,548.76 and 3,934.90

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Solution

The fourth proportional to 6,919.30, 9,548.76 and 3,934.90 is: 5,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.30 : 9,548.76 = 3,934.90 : x
  2. Step 2: Convert to fraction form
    6,919.30/9,548.76 = 3,934.90/x
  3. Step 3: Cross multiply
    6,919.30x = 9,548.76 × 3,934.90
  4. Step 4: Simplify right side
    6,919.30x = 37,573,415.72
  5. Step 5: Solve for x
    x = 37,573,415.72/6,919.30
  6. Step 6: Final answer
    x = 5,430.23

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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.