Home / 5,610.24-8,413.20-1,660.40

Finding the Fourth Proportional to 5,610.24, 8,413.20 and 1,660.40

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Solution

The fourth proportional to 5,610.24, 8,413.20 and 1,660.40 is: 2,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.24 : 8,413.20 = 1,660.40 : x
  2. Step 2: Convert to fraction form
    5,610.24/8,413.20 = 1,660.40/x
  3. Step 3: Cross multiply
    5,610.24x = 8,413.20 × 1,660.40
  4. Step 4: Simplify right side
    5,610.24x = 13,969,277.28
  5. Step 5: Solve for x
    x = 13,969,277.28/5,610.24
  6. Step 6: Final answer
    x = 2,489.96

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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.