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Finding the Fourth Proportional to 8,604.08, 11,871.60 and 4,878.08

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Solution

The fourth proportional to 8,604.08, 11,871.60 and 4,878.08 is: 6,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.08 : 11,871.60 = 4,878.08 : x
  2. Step 2: Convert to fraction form
    8,604.08/11,871.60 = 4,878.08/x
  3. Step 3: Cross multiply
    8,604.08x = 11,871.60 × 4,878.08
  4. Step 4: Simplify right side
    8,604.08x = 57,910,614.53
  5. Step 5: Solve for x
    x = 57,910,614.53/8,604.08
  6. Step 6: Final answer
    x = 6,730.60

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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.