Home / 8,632.17-12,930.84-5,296.19

Finding the Fourth Proportional to 8,632.17, 12,930.84 and 5,296.19

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Solution

The fourth proportional to 8,632.17, 12,930.84 and 5,296.19 is: 7,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.17 : 12,930.84 = 5,296.19 : x
  2. Step 2: Convert to fraction form
    8,632.17/12,930.84 = 5,296.19/x
  3. Step 3: Cross multiply
    8,632.17x = 12,930.84 × 5,296.19
  4. Step 4: Simplify right side
    8,632.17x = 68,484,120.85
  5. Step 5: Solve for x
    x = 68,484,120.85/8,632.17
  6. Step 6: Final answer
    x = 7,933.59

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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.