Home / 8,525.72-12,784.52-2,679.14

Finding the Fourth Proportional to 8,525.72, 12,784.52 and 2,679.14

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Solution

The fourth proportional to 8,525.72, 12,784.52 and 2,679.14 is: 4,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.72 : 12,784.52 = 2,679.14 : x
  2. Step 2: Convert to fraction form
    8,525.72/12,784.52 = 2,679.14/x
  3. Step 3: Cross multiply
    8,525.72x = 12,784.52 × 2,679.14
  4. Step 4: Simplify right side
    8,525.72x = 34,251,518.91
  5. Step 5: Solve for x
    x = 34,251,518.91/8,525.72
  6. Step 6: Final answer
    x = 4,017.43

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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.