Home / 8,203.04-12,309.34-3,458.91

Finding the Fourth Proportional to 8,203.04, 12,309.34 and 3,458.91

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Solution

The fourth proportional to 8,203.04, 12,309.34 and 3,458.91 is: 5,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.04 : 12,309.34 = 3,458.91 : x
  2. Step 2: Convert to fraction form
    8,203.04/12,309.34 = 3,458.91/x
  3. Step 3: Cross multiply
    8,203.04x = 12,309.34 × 3,458.91
  4. Step 4: Simplify right side
    8,203.04x = 42,576,906.79
  5. Step 5: Solve for x
    x = 42,576,906.79/8,203.04
  6. Step 6: Final answer
    x = 5,190.38

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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.