Home / 8,563.17-12,845.34-2,719.74

Finding the Fourth Proportional to 8,563.17, 12,845.34 and 2,719.74

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Solution

The fourth proportional to 8,563.17, 12,845.34 and 2,719.74 is: 4,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.17 : 12,845.34 = 2,719.74 : x
  2. Step 2: Convert to fraction form
    8,563.17/12,845.34 = 2,719.74/x
  3. Step 3: Cross multiply
    8,563.17x = 12,845.34 × 2,719.74
  4. Step 4: Simplify right side
    8,563.17x = 34,935,985.01
  5. Step 5: Solve for x
    x = 34,935,985.01/8,563.17
  6. Step 6: Final answer
    x = 4,079.80

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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.