Home / 6,485.13-9,727.56-4,399.92

Finding the Fourth Proportional to 6,485.13, 9,727.56 and 4,399.92

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Solution

The fourth proportional to 6,485.13, 9,727.56 and 4,399.92 is: 6,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.13 : 9,727.56 = 4,399.92 : x
  2. Step 2: Convert to fraction form
    6,485.13/9,727.56 = 4,399.92/x
  3. Step 3: Cross multiply
    6,485.13x = 9,727.56 × 4,399.92
  4. Step 4: Simplify right side
    6,485.13x = 42,800,485.80
  5. Step 5: Solve for x
    x = 42,800,485.80/6,485.13
  6. Step 6: Final answer
    x = 6,599.79

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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.