Home / 8,430.39-12,651.22-3,500.03

Finding the Fourth Proportional to 8,430.39, 12,651.22 and 3,500.03

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Solution

The fourth proportional to 8,430.39, 12,651.22 and 3,500.03 is: 5,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.39 : 12,651.22 = 3,500.03 : x
  2. Step 2: Convert to fraction form
    8,430.39/12,651.22 = 3,500.03/x
  3. Step 3: Cross multiply
    8,430.39x = 12,651.22 × 3,500.03
  4. Step 4: Simplify right side
    8,430.39x = 44,279,586.28
  5. Step 5: Solve for x
    x = 44,279,586.28/8,430.39
  6. Step 6: Final answer
    x = 5,252.38

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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.