Home / 8,758.08-13,129.20-3,207.48

Finding the Fourth Proportional to 8,758.08, 13,129.20 and 3,207.48

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Solution

The fourth proportional to 8,758.08, 13,129.20 and 3,207.48 is: 4,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.08 : 13,129.20 = 3,207.48 : x
  2. Step 2: Convert to fraction form
    8,758.08/13,129.20 = 3,207.48/x
  3. Step 3: Cross multiply
    8,758.08x = 13,129.20 × 3,207.48
  4. Step 4: Simplify right side
    8,758.08x = 42,111,646.42
  5. Step 5: Solve for x
    x = 42,111,646.42/8,758.08
  6. Step 6: Final answer
    x = 4,808.32

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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.