Home / 8,131.15-11,220.84-4,594.29

Finding the Fourth Proportional to 8,131.15, 11,220.84 and 4,594.29

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Solution

The fourth proportional to 8,131.15, 11,220.84 and 4,594.29 is: 6,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.15 : 11,220.84 = 4,594.29 : x
  2. Step 2: Convert to fraction form
    8,131.15/11,220.84 = 4,594.29/x
  3. Step 3: Cross multiply
    8,131.15x = 11,220.84 × 4,594.29
  4. Step 4: Simplify right side
    8,131.15x = 51,551,780.83
  5. Step 5: Solve for x
    x = 51,551,780.83/8,131.15
  6. Step 6: Final answer
    x = 6,340.03

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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.