Home / 8,820.27-13,225.74-3,887.61

Finding the Fourth Proportional to 8,820.27, 13,225.74 and 3,887.61

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Solution

The fourth proportional to 8,820.27, 13,225.74 and 3,887.61 is: 5,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.27 : 13,225.74 = 3,887.61 : x
  2. Step 2: Convert to fraction form
    8,820.27/13,225.74 = 3,887.61/x
  3. Step 3: Cross multiply
    8,820.27x = 13,225.74 × 3,887.61
  4. Step 4: Simplify right side
    8,820.27x = 51,416,519.08
  5. Step 5: Solve for x
    x = 51,416,519.08/8,820.27
  6. Step 6: Final answer
    x = 5,829.36

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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.