Home / 5,456.10-8,184.15-3,609.30

Finding the Fourth Proportional to 5,456.10, 8,184.15 and 3,609.30

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Solution

The fourth proportional to 5,456.10, 8,184.15 and 3,609.30 is: 5,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.10 : 8,184.15 = 3,609.30 : x
  2. Step 2: Convert to fraction form
    5,456.10/8,184.15 = 3,609.30/x
  3. Step 3: Cross multiply
    5,456.10x = 8,184.15 × 3,609.30
  4. Step 4: Simplify right side
    5,456.10x = 29,539,052.60
  5. Step 5: Solve for x
    x = 29,539,052.60/5,456.10
  6. Step 6: Final answer
    x = 5,413.95

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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.