Home / 8,901.50-12,283.87-4,922.65

Finding the Fourth Proportional to 8,901.50, 12,283.87 and 4,922.65

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Solution

The fourth proportional to 8,901.50, 12,283.87 and 4,922.65 is: 6,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.50 : 12,283.87 = 4,922.65 : x
  2. Step 2: Convert to fraction form
    8,901.50/12,283.87 = 4,922.65/x
  3. Step 3: Cross multiply
    8,901.50x = 12,283.87 × 4,922.65
  4. Step 4: Simplify right side
    8,901.50x = 60,469,106.62
  5. Step 5: Solve for x
    x = 60,469,106.62/8,901.50
  6. Step 6: Final answer
    x = 6,793.14

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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.