Home / 8,729.88-13,095.48-2,806.86

Finding the Fourth Proportional to 8,729.88, 13,095.48 and 2,806.86

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Solution

The fourth proportional to 8,729.88, 13,095.48 and 2,806.86 is: 4,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.88 : 13,095.48 = 2,806.86 : x
  2. Step 2: Convert to fraction form
    8,729.88/13,095.48 = 2,806.86/x
  3. Step 3: Cross multiply
    8,729.88x = 13,095.48 × 2,806.86
  4. Step 4: Simplify right side
    8,729.88x = 36,757,178.99
  5. Step 5: Solve for x
    x = 36,757,178.99/8,729.88
  6. Step 6: Final answer
    x = 4,210.50

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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.