Home / 4,083.56-5,631.48-2,665.65

Finding the Fourth Proportional to 4,083.56, 5,631.48 and 2,665.65

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Solution

The fourth proportional to 4,083.56, 5,631.48 and 2,665.65 is: 3,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.56 : 5,631.48 = 2,665.65 : x
  2. Step 2: Convert to fraction form
    4,083.56/5,631.48 = 2,665.65/x
  3. Step 3: Cross multiply
    4,083.56x = 5,631.48 × 2,665.65
  4. Step 4: Simplify right side
    4,083.56x = 15,011,554.66
  5. Step 5: Solve for x
    x = 15,011,554.66/4,083.56
  6. Step 6: Final answer
    x = 3,676.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.