Home / 8,246.30-12,370.02-3,315.95

Finding the Fourth Proportional to 8,246.30, 12,370.02 and 3,315.95

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Solution

The fourth proportional to 8,246.30, 12,370.02 and 3,315.95 is: 4,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.30 : 12,370.02 = 3,315.95 : x
  2. Step 2: Convert to fraction form
    8,246.30/12,370.02 = 3,315.95/x
  3. Step 3: Cross multiply
    8,246.30x = 12,370.02 × 3,315.95
  4. Step 4: Simplify right side
    8,246.30x = 41,018,367.82
  5. Step 5: Solve for x
    x = 41,018,367.82/8,246.30
  6. Step 6: Final answer
    x = 4,974.15

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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.