Home / 8,836.83-12,205.67-6,608.63

Finding the Fourth Proportional to 8,836.83, 12,205.67 and 6,608.63

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Solution

The fourth proportional to 8,836.83, 12,205.67 and 6,608.63 is: 9,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.83 : 12,205.67 = 6,608.63 : x
  2. Step 2: Convert to fraction form
    8,836.83/12,205.67 = 6,608.63/x
  3. Step 3: Cross multiply
    8,836.83x = 12,205.67 × 6,608.63
  4. Step 4: Simplify right side
    8,836.83x = 80,662,754.40
  5. Step 5: Solve for x
    x = 80,662,754.40/8,836.83
  6. Step 6: Final answer
    x = 9,128.02

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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.