Home / 3,709.10-5,563.65-3,125.90

Finding the Fourth Proportional to 3,709.10, 5,563.65 and 3,125.90

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Solution

The fourth proportional to 3,709.10, 5,563.65 and 3,125.90 is: 4,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.10 : 5,563.65 = 3,125.90 : x
  2. Step 2: Convert to fraction form
    3,709.10/5,563.65 = 3,125.90/x
  3. Step 3: Cross multiply
    3,709.10x = 5,563.65 × 3,125.90
  4. Step 4: Simplify right side
    3,709.10x = 17,391,413.54
  5. Step 5: Solve for x
    x = 17,391,413.54/3,709.10
  6. Step 6: Final answer
    x = 4,688.85

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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.