Home / 6,890.08-10,344.30-3,605.80

Finding the Fourth Proportional to 6,890.08, 10,344.30 and 3,605.80

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Solution

The fourth proportional to 6,890.08, 10,344.30 and 3,605.80 is: 5,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.08 : 10,344.30 = 3,605.80 : x
  2. Step 2: Convert to fraction form
    6,890.08/10,344.30 = 3,605.80/x
  3. Step 3: Cross multiply
    6,890.08x = 10,344.30 × 3,605.80
  4. Step 4: Simplify right side
    6,890.08x = 37,299,476.94
  5. Step 5: Solve for x
    x = 37,299,476.94/6,890.08
  6. Step 6: Final answer
    x = 5,413.50

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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.