Home / 8,814.22-13,220.94-2,970.80

Finding the Fourth Proportional to 8,814.22, 13,220.94 and 2,970.80

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Solution

The fourth proportional to 8,814.22, 13,220.94 and 2,970.80 is: 4,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.22 : 13,220.94 = 2,970.80 : x
  2. Step 2: Convert to fraction form
    8,814.22/13,220.94 = 2,970.80/x
  3. Step 3: Cross multiply
    8,814.22x = 13,220.94 × 2,970.80
  4. Step 4: Simplify right side
    8,814.22x = 39,276,768.55
  5. Step 5: Solve for x
    x = 39,276,768.55/8,814.22
  6. Step 6: Final answer
    x = 4,456.07

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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.