Home / 4,571.40-6,857.85-1,609.08

Finding the Fourth Proportional to 4,571.40, 6,857.85 and 1,609.08

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Solution

The fourth proportional to 4,571.40, 6,857.85 and 1,609.08 is: 2,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.40 : 6,857.85 = 1,609.08 : x
  2. Step 2: Convert to fraction form
    4,571.40/6,857.85 = 1,609.08/x
  3. Step 3: Cross multiply
    4,571.40x = 6,857.85 × 1,609.08
  4. Step 4: Simplify right side
    4,571.40x = 11,034,829.28
  5. Step 5: Solve for x
    x = 11,034,829.28/4,571.40
  6. Step 6: Final answer
    x = 2,413.88

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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.