Home / 8,788.08-13,178.16-3,240.48

Finding the Fourth Proportional to 8,788.08, 13,178.16 and 3,240.48

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Solution

The fourth proportional to 8,788.08, 13,178.16 and 3,240.48 is: 4,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.08 : 13,178.16 = 3,240.48 : x
  2. Step 2: Convert to fraction form
    8,788.08/13,178.16 = 3,240.48/x
  3. Step 3: Cross multiply
    8,788.08x = 13,178.16 × 3,240.48
  4. Step 4: Simplify right side
    8,788.08x = 42,703,563.92
  5. Step 5: Solve for x
    x = 42,703,563.92/8,788.08
  6. Step 6: Final answer
    x = 4,859.26

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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.