Home / 8,635.04-12,952.26-2,791.50

Finding the Fourth Proportional to 8,635.04, 12,952.26 and 2,791.50

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Solution

The fourth proportional to 8,635.04, 12,952.26 and 2,791.50 is: 4,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.04 : 12,952.26 = 2,791.50 : x
  2. Step 2: Convert to fraction form
    8,635.04/12,952.26 = 2,791.50/x
  3. Step 3: Cross multiply
    8,635.04x = 12,952.26 × 2,791.50
  4. Step 4: Simplify right side
    8,635.04x = 36,156,233.79
  5. Step 5: Solve for x
    x = 36,156,233.79/8,635.04
  6. Step 6: Final answer
    x = 4,187.15

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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.