Home / 8,635.23-12,952.31-2,791.35

Finding the Fourth Proportional to 8,635.23, 12,952.31 and 2,791.35

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Solution

The fourth proportional to 8,635.23, 12,952.31 and 2,791.35 is: 4,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.23 : 12,952.31 = 2,791.35 : x
  2. Step 2: Convert to fraction form
    8,635.23/12,952.31 = 2,791.35/x
  3. Step 3: Cross multiply
    8,635.23x = 12,952.31 × 2,791.35
  4. Step 4: Simplify right side
    8,635.23x = 36,154,416.56
  5. Step 5: Solve for x
    x = 36,154,416.56/8,635.23
  6. Step 6: Final answer
    x = 4,186.85

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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.