Home / 8,206.31-12,309.45-2,362.91

Finding the Fourth Proportional to 8,206.31, 12,309.45 and 2,362.91

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Solution

The fourth proportional to 8,206.31, 12,309.45 and 2,362.91 is: 3,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.31 : 12,309.45 = 2,362.91 : x
  2. Step 2: Convert to fraction form
    8,206.31/12,309.45 = 2,362.91/x
  3. Step 3: Cross multiply
    8,206.31x = 12,309.45 × 2,362.91
  4. Step 4: Simplify right side
    8,206.31x = 29,086,060.95
  5. Step 5: Solve for x
    x = 29,086,060.95/8,206.31
  6. Step 6: Final answer
    x = 3,544.36

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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.