Home / 8,769.60-13,160.16-3,222.99

Finding the Fourth Proportional to 8,769.60, 13,160.16 and 3,222.99

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Solution

The fourth proportional to 8,769.60, 13,160.16 and 3,222.99 is: 4,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.60 : 13,160.16 = 3,222.99 : x
  2. Step 2: Convert to fraction form
    8,769.60/13,160.16 = 3,222.99/x
  3. Step 3: Cross multiply
    8,769.60x = 13,160.16 × 3,222.99
  4. Step 4: Simplify right side
    8,769.60x = 42,415,064.08
  5. Step 5: Solve for x
    x = 42,415,064.08/8,769.60
  6. Step 6: Final answer
    x = 4,836.60

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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.