Home / 5,659.80-8,485.60-3,806.32

Finding the Fourth Proportional to 5,659.80, 8,485.60 and 3,806.32

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Solution

The fourth proportional to 5,659.80, 8,485.60 and 3,806.32 is: 5,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.80 : 8,485.60 = 3,806.32 : x
  2. Step 2: Convert to fraction form
    5,659.80/8,485.60 = 3,806.32/x
  3. Step 3: Cross multiply
    5,659.80x = 8,485.60 × 3,806.32
  4. Step 4: Simplify right side
    5,659.80x = 32,298,908.99
  5. Step 5: Solve for x
    x = 32,298,908.99/5,659.80
  6. Step 6: Final answer
    x = 5,706.72

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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.