Home / 8,263.80-12,397.62-2,420.52

Finding the Fourth Proportional to 8,263.80, 12,397.62 and 2,420.52

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Solution

The fourth proportional to 8,263.80, 12,397.62 and 2,420.52 is: 3,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.80 : 12,397.62 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    8,263.80/12,397.62 = 2,420.52/x
  3. Step 3: Cross multiply
    8,263.80x = 12,397.62 × 2,420.52
  4. Step 4: Simplify right side
    8,263.80x = 30,008,687.16
  5. Step 5: Solve for x
    x = 30,008,687.16/8,263.80
  6. Step 6: Final answer
    x = 3,631.34

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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.