Home / 5,605.92-8,400.24-2,485.44

Finding the Fourth Proportional to 5,605.92, 8,400.24 and 2,485.44

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Solution

The fourth proportional to 5,605.92, 8,400.24 and 2,485.44 is: 3,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.92 : 8,400.24 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    5,605.92/8,400.24 = 2,485.44/x
  3. Step 3: Cross multiply
    5,605.92x = 8,400.24 × 2,485.44
  4. Step 4: Simplify right side
    5,605.92x = 20,878,292.51
  5. Step 5: Solve for x
    x = 20,878,292.51/5,605.92
  6. Step 6: Final answer
    x = 3,724.33

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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.