Home / 8,769.78-13,157.88-3,226.74

Finding the Fourth Proportional to 8,769.78, 13,157.88 and 3,226.74

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Solution

The fourth proportional to 8,769.78, 13,157.88 and 3,226.74 is: 4,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.78 : 13,157.88 = 3,226.74 : x
  2. Step 2: Convert to fraction form
    8,769.78/13,157.88 = 3,226.74/x
  3. Step 3: Cross multiply
    8,769.78x = 13,157.88 × 3,226.74
  4. Step 4: Simplify right side
    8,769.78x = 42,457,057.71
  5. Step 5: Solve for x
    x = 42,457,057.71/8,769.78
  6. Step 6: Final answer
    x = 4,841.29

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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.