Home / 10,660.84-15,989.46-2,867.92

Finding the Fourth Proportional to 10,660.84, 15,989.46 and 2,867.92

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Solution

The fourth proportional to 10,660.84, 15,989.46 and 2,867.92 is: 4,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.84 : 15,989.46 = 2,867.92 : x
  2. Step 2: Convert to fraction form
    10,660.84/15,989.46 = 2,867.92/x
  3. Step 3: Cross multiply
    10,660.84x = 15,989.46 × 2,867.92
  4. Step 4: Simplify right side
    10,660.84x = 45,856,492.12
  5. Step 5: Solve for x
    x = 45,856,492.12/10,660.84
  6. Step 6: Final answer
    x = 4,301.40

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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.