Home / 6,076.40-9,115.89-1,917.61

Finding the Fourth Proportional to 6,076.40, 9,115.89 and 1,917.61

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Solution

The fourth proportional to 6,076.40, 9,115.89 and 1,917.61 is: 2,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.40 : 9,115.89 = 1,917.61 : x
  2. Step 2: Convert to fraction form
    6,076.40/9,115.89 = 1,917.61/x
  3. Step 3: Cross multiply
    6,076.40x = 9,115.89 × 1,917.61
  4. Step 4: Simplify right side
    6,076.40x = 17,480,702.63
  5. Step 5: Solve for x
    x = 17,480,702.63/6,076.40
  6. Step 6: Final answer
    x = 2,876.82

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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.