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Finding the Fourth Proportional to 5,606.87, 8,405.10 and 2,485.22

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Solution

The fourth proportional to 5,606.87, 8,405.10 and 2,485.22 is: 3,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.87 : 8,405.10 = 2,485.22 : x
  2. Step 2: Convert to fraction form
    5,606.87/8,405.10 = 2,485.22/x
  3. Step 3: Cross multiply
    5,606.87x = 8,405.10 × 2,485.22
  4. Step 4: Simplify right side
    5,606.87x = 20,888,480.60
  5. Step 5: Solve for x
    x = 20,888,480.60/5,606.87
  6. Step 6: Final answer
    x = 3,725.52

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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.