Home / 8,809.02-13,213.98-5,108.43

Finding the Fourth Proportional to 8,809.02, 13,213.98 and 5,108.43

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Solution

The fourth proportional to 8,809.02, 13,213.98 and 5,108.43 is: 7,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.02 : 13,213.98 = 5,108.43 : x
  2. Step 2: Convert to fraction form
    8,809.02/13,213.98 = 5,108.43/x
  3. Step 3: Cross multiply
    8,809.02x = 13,213.98 × 5,108.43
  4. Step 4: Simplify right side
    8,809.02x = 67,502,691.85
  5. Step 5: Solve for x
    x = 67,502,691.85/8,809.02
  6. Step 6: Final answer
    x = 7,662.91

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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.