Home / 8,776.60-13,160.94-3,228.28

Finding the Fourth Proportional to 8,776.60, 13,160.94 and 3,228.28

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Solution

The fourth proportional to 8,776.60, 13,160.94 and 3,228.28 is: 4,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.60 : 13,160.94 = 3,228.28 : x
  2. Step 2: Convert to fraction form
    8,776.60/13,160.94 = 3,228.28/x
  3. Step 3: Cross multiply
    8,776.60x = 13,160.94 × 3,228.28
  4. Step 4: Simplify right side
    8,776.60x = 42,487,199.38
  5. Step 5: Solve for x
    x = 42,487,199.38/8,776.60
  6. Step 6: Final answer
    x = 4,840.96

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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.