Home / 8,521.08-12,767.45-2,971.37

Finding the Fourth Proportional to 8,521.08, 12,767.45 and 2,971.37

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Solution

The fourth proportional to 8,521.08, 12,767.45 and 2,971.37 is: 4,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.08 : 12,767.45 = 2,971.37 : x
  2. Step 2: Convert to fraction form
    8,521.08/12,767.45 = 2,971.37/x
  3. Step 3: Cross multiply
    8,521.08x = 12,767.45 × 2,971.37
  4. Step 4: Simplify right side
    8,521.08x = 37,936,739.21
  5. Step 5: Solve for x
    x = 37,936,739.21/8,521.08
  6. Step 6: Final answer
    x = 4,452.10

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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.