Home / 8,150.31-12,219.46-2,600.46

Finding the Fourth Proportional to 8,150.31, 12,219.46 and 2,600.46

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Solution

The fourth proportional to 8,150.31, 12,219.46 and 2,600.46 is: 3,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.31 : 12,219.46 = 2,600.46 : x
  2. Step 2: Convert to fraction form
    8,150.31/12,219.46 = 2,600.46/x
  3. Step 3: Cross multiply
    8,150.31x = 12,219.46 × 2,600.46
  4. Step 4: Simplify right side
    8,150.31x = 31,776,216.95
  5. Step 5: Solve for x
    x = 31,776,216.95/8,150.31
  6. Step 6: Final answer
    x = 3,898.77

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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.