Home / 8,643.02-12,964.23-2,719.74

Finding the Fourth Proportional to 8,643.02, 12,964.23 and 2,719.74

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Solution

The fourth proportional to 8,643.02, 12,964.23 and 2,719.74 is: 4,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.02 : 12,964.23 = 2,719.74 : x
  2. Step 2: Convert to fraction form
    8,643.02/12,964.23 = 2,719.74/x
  3. Step 3: Cross multiply
    8,643.02x = 12,964.23 × 2,719.74
  4. Step 4: Simplify right side
    8,643.02x = 35,259,375.87
  5. Step 5: Solve for x
    x = 35,259,375.87/8,643.02
  6. Step 6: Final answer
    x = 4,079.52

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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.