Home / 8,759.32-12,087.70-4,780.33

Finding the Fourth Proportional to 8,759.32, 12,087.70 and 4,780.33

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Solution

The fourth proportional to 8,759.32, 12,087.70 and 4,780.33 is: 6,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.32 : 12,087.70 = 4,780.33 : x
  2. Step 2: Convert to fraction form
    8,759.32/12,087.70 = 4,780.33/x
  3. Step 3: Cross multiply
    8,759.32x = 12,087.70 × 4,780.33
  4. Step 4: Simplify right side
    8,759.32x = 57,783,194.94
  5. Step 5: Solve for x
    x = 57,783,194.94/8,759.32
  6. Step 6: Final answer
    x = 6,596.77

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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.