Home / 8,784.32-13,179.04-4,160.96

Finding the Fourth Proportional to 8,784.32, 13,179.04 and 4,160.96

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Solution

The fourth proportional to 8,784.32, 13,179.04 and 4,160.96 is: 6,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.32 : 13,179.04 = 4,160.96 : x
  2. Step 2: Convert to fraction form
    8,784.32/13,179.04 = 4,160.96/x
  3. Step 3: Cross multiply
    8,784.32x = 13,179.04 × 4,160.96
  4. Step 4: Simplify right side
    8,784.32x = 54,837,458.28
  5. Step 5: Solve for x
    x = 54,837,458.28/8,784.32
  6. Step 6: Final answer
    x = 6,242.65

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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.