Home / 8,632.13-12,946.32-3,085.86

Finding the Fourth Proportional to 8,632.13, 12,946.32 and 3,085.86

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Solution

The fourth proportional to 8,632.13, 12,946.32 and 3,085.86 is: 4,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.13 : 12,946.32 = 3,085.86 : x
  2. Step 2: Convert to fraction form
    8,632.13/12,946.32 = 3,085.86/x
  3. Step 3: Cross multiply
    8,632.13x = 12,946.32 × 3,085.86
  4. Step 4: Simplify right side
    8,632.13x = 39,950,538.75
  5. Step 5: Solve for x
    x = 39,950,538.75/8,632.13
  6. Step 6: Final answer
    x = 4,628.12

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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.