Home / 8,149.23-12,223.60-2,602.90

Finding the Fourth Proportional to 8,149.23, 12,223.60 and 2,602.90

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Solution

The fourth proportional to 8,149.23, 12,223.60 and 2,602.90 is: 3,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.23 : 12,223.60 = 2,602.90 : x
  2. Step 2: Convert to fraction form
    8,149.23/12,223.60 = 2,602.90/x
  3. Step 3: Cross multiply
    8,149.23x = 12,223.60 × 2,602.90
  4. Step 4: Simplify right side
    8,149.23x = 31,816,808.44
  5. Step 5: Solve for x
    x = 31,816,808.44/8,149.23
  6. Step 6: Final answer
    x = 3,904.27

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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.