Home / 5,625.67-7,763.39-3,107.77

Finding the Fourth Proportional to 5,625.67, 7,763.39 and 3,107.77

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Solution

The fourth proportional to 5,625.67, 7,763.39 and 3,107.77 is: 4,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.67 : 7,763.39 = 3,107.77 : x
  2. Step 2: Convert to fraction form
    5,625.67/7,763.39 = 3,107.77/x
  3. Step 3: Cross multiply
    5,625.67x = 7,763.39 × 3,107.77
  4. Step 4: Simplify right side
    5,625.67x = 24,126,830.54
  5. Step 5: Solve for x
    x = 24,126,830.54/5,625.67
  6. Step 6: Final answer
    x = 4,288.70

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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.