Home / 8,207.07-12,308.10-5,395.79

Finding the Fourth Proportional to 8,207.07, 12,308.10 and 5,395.79

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Solution

The fourth proportional to 8,207.07, 12,308.10 and 5,395.79 is: 8,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.07 : 12,308.10 = 5,395.79 : x
  2. Step 2: Convert to fraction form
    8,207.07/12,308.10 = 5,395.79/x
  3. Step 3: Cross multiply
    8,207.07x = 12,308.10 × 5,395.79
  4. Step 4: Simplify right side
    8,207.07x = 66,411,922.90
  5. Step 5: Solve for x
    x = 66,411,922.90/8,207.07
  6. Step 6: Final answer
    x = 8,092.04

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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.