Home / 8,840.90-13,260.66-3,910.70

Finding the Fourth Proportional to 8,840.90, 13,260.66 and 3,910.70

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Solution

The fourth proportional to 8,840.90, 13,260.66 and 3,910.70 is: 5,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.90 : 13,260.66 = 3,910.70 : x
  2. Step 2: Convert to fraction form
    8,840.90/13,260.66 = 3,910.70/x
  3. Step 3: Cross multiply
    8,840.90x = 13,260.66 × 3,910.70
  4. Step 4: Simplify right side
    8,840.90x = 51,858,463.06
  5. Step 5: Solve for x
    x = 51,858,463.06/8,840.90
  6. Step 6: Final answer
    x = 5,865.74

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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.