Home / 8,509.19-12,760.94-3,577.91

Finding the Fourth Proportional to 8,509.19, 12,760.94 and 3,577.91

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Solution

The fourth proportional to 8,509.19, 12,760.94 and 3,577.91 is: 5,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.19 : 12,760.94 = 3,577.91 : x
  2. Step 2: Convert to fraction form
    8,509.19/12,760.94 = 3,577.91/x
  3. Step 3: Cross multiply
    8,509.19x = 12,760.94 × 3,577.91
  4. Step 4: Simplify right side
    8,509.19x = 45,657,413.14
  5. Step 5: Solve for x
    x = 45,657,413.14/8,509.19
  6. Step 6: Final answer
    x = 5,365.66

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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.