Home / 5,083.72-7,625.42-1,385.84

Finding the Fourth Proportional to 5,083.72, 7,625.42 and 1,385.84

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Solution

The fourth proportional to 5,083.72, 7,625.42 and 1,385.84 is: 2,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.72 : 7,625.42 = 1,385.84 : x
  2. Step 2: Convert to fraction form
    5,083.72/7,625.42 = 1,385.84/x
  3. Step 3: Cross multiply
    5,083.72x = 7,625.42 × 1,385.84
  4. Step 4: Simplify right side
    5,083.72x = 10,567,612.05
  5. Step 5: Solve for x
    x = 10,567,612.05/5,083.72
  6. Step 6: Final answer
    x = 2,078.72

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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.