Home / 9,106.98-13,660.64-2,867.20

Finding the Fourth Proportional to 9,106.98, 13,660.64 and 2,867.20

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Solution

The fourth proportional to 9,106.98, 13,660.64 and 2,867.20 is: 4,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.98 : 13,660.64 = 2,867.20 : x
  2. Step 2: Convert to fraction form
    9,106.98/13,660.64 = 2,867.20/x
  3. Step 3: Cross multiply
    9,106.98x = 13,660.64 × 2,867.20
  4. Step 4: Simplify right side
    9,106.98x = 39,167,757.34
  5. Step 5: Solve for x
    x = 39,167,757.34/9,106.98
  6. Step 6: Final answer
    x = 4,300.85

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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.