Home / 5,617.30-8,413.80-3,430.30

Finding the Fourth Proportional to 5,617.30, 8,413.80 and 3,430.30

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Solution

The fourth proportional to 5,617.30, 8,413.80 and 3,430.30 is: 5,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.30 : 8,413.80 = 3,430.30 : x
  2. Step 2: Convert to fraction form
    5,617.30/8,413.80 = 3,430.30/x
  3. Step 3: Cross multiply
    5,617.30x = 8,413.80 × 3,430.30
  4. Step 4: Simplify right side
    5,617.30x = 28,861,858.14
  5. Step 5: Solve for x
    x = 28,861,858.14/5,617.30
  6. Step 6: Final answer
    x = 5,138.03

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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.