Home / 4,676.58-7,013.66-1,388.79

Finding the Fourth Proportional to 4,676.58, 7,013.66 and 1,388.79

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Solution

The fourth proportional to 4,676.58, 7,013.66 and 1,388.79 is: 2,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.58 : 7,013.66 = 1,388.79 : x
  2. Step 2: Convert to fraction form
    4,676.58/7,013.66 = 1,388.79/x
  3. Step 3: Cross multiply
    4,676.58x = 7,013.66 × 1,388.79
  4. Step 4: Simplify right side
    4,676.58x = 9,740,493.93
  5. Step 5: Solve for x
    x = 9,740,493.93/4,676.58
  6. Step 6: Final answer
    x = 2,082.82

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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.