Home / 9,117.03-13,676.90-2,876.38

Finding the Fourth Proportional to 9,117.03, 13,676.90 and 2,876.38

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Solution

The fourth proportional to 9,117.03, 13,676.90 and 2,876.38 is: 4,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.03 : 13,676.90 = 2,876.38 : x
  2. Step 2: Convert to fraction form
    9,117.03/13,676.90 = 2,876.38/x
  3. Step 3: Cross multiply
    9,117.03x = 13,676.90 × 2,876.38
  4. Step 4: Simplify right side
    9,117.03x = 39,339,947.24
  5. Step 5: Solve for x
    x = 39,339,947.24/9,117.03
  6. Step 6: Final answer
    x = 4,315.00

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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.