Home / 6,108.42-9,159.36-1,947.30

Finding the Fourth Proportional to 6,108.42, 9,159.36 and 1,947.30

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Solution

The fourth proportional to 6,108.42, 9,159.36 and 1,947.30 is: 2,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.42 : 9,159.36 = 1,947.30 : x
  2. Step 2: Convert to fraction form
    6,108.42/9,159.36 = 1,947.30/x
  3. Step 3: Cross multiply
    6,108.42x = 9,159.36 × 1,947.30
  4. Step 4: Simplify right side
    6,108.42x = 17,836,021.73
  5. Step 5: Solve for x
    x = 17,836,021.73/6,108.42
  6. Step 6: Final answer
    x = 2,919.91

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1.5x scale

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.