Home / 8,718.02-13,069.66-3,783.95

Finding the Fourth Proportional to 8,718.02, 13,069.66 and 3,783.95

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Solution

The fourth proportional to 8,718.02, 13,069.66 and 3,783.95 is: 5,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.02 : 13,069.66 = 3,783.95 : x
  2. Step 2: Convert to fraction form
    8,718.02/13,069.66 = 3,783.95/x
  3. Step 3: Cross multiply
    8,718.02x = 13,069.66 × 3,783.95
  4. Step 4: Simplify right side
    8,718.02x = 49,454,939.96
  5. Step 5: Solve for x
    x = 49,454,939.96/8,718.02
  6. Step 6: Final answer
    x = 5,672.73

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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.