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Finding the Fourth Proportional to 8,798.59, 13,198.75 and 2,558.66

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Solution

The fourth proportional to 8,798.59, 13,198.75 and 2,558.66 is: 3,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.59 : 13,198.75 = 2,558.66 : x
  2. Step 2: Convert to fraction form
    8,798.59/13,198.75 = 2,558.66/x
  3. Step 3: Cross multiply
    8,798.59x = 13,198.75 × 2,558.66
  4. Step 4: Simplify right side
    8,798.59x = 33,771,113.68
  5. Step 5: Solve for x
    x = 33,771,113.68/8,798.59
  6. Step 6: Final answer
    x = 3,838.24

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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.