Home / 6,676.48-10,013.91-2,780.38

Finding the Fourth Proportional to 6,676.48, 10,013.91 and 2,780.38

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Solution

The fourth proportional to 6,676.48, 10,013.91 and 2,780.38 is: 4,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.48 : 10,013.91 = 2,780.38 : x
  2. Step 2: Convert to fraction form
    6,676.48/10,013.91 = 2,780.38/x
  3. Step 3: Cross multiply
    6,676.48x = 10,013.91 × 2,780.38
  4. Step 4: Simplify right side
    6,676.48x = 27,842,475.09
  5. Step 5: Solve for x
    x = 27,842,475.09/6,676.48
  6. Step 6: Final answer
    x = 4,170.23

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1.5x scale

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.