Home / 5,605.92-8,406.72-2,685.60

Finding the Fourth Proportional to 5,605.92, 8,406.72 and 2,685.60

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Solution

The fourth proportional to 5,605.92, 8,406.72 and 2,685.60 is: 4,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.92 : 8,406.72 = 2,685.60 : x
  2. Step 2: Convert to fraction form
    5,605.92/8,406.72 = 2,685.60/x
  3. Step 3: Cross multiply
    5,605.92x = 8,406.72 × 2,685.60
  4. Step 4: Simplify right side
    5,605.92x = 22,577,087.23
  5. Step 5: Solve for x
    x = 22,577,087.23/5,605.92
  6. Step 6: Final answer
    x = 4,027.37

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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.