Home / 4,399.60-6,605.98-3,808.45

Finding the Fourth Proportional to 4,399.60, 6,605.98 and 3,808.45

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Solution

The fourth proportional to 4,399.60, 6,605.98 and 3,808.45 is: 5,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.60 : 6,605.98 = 3,808.45 : x
  2. Step 2: Convert to fraction form
    4,399.60/6,605.98 = 3,808.45/x
  3. Step 3: Cross multiply
    4,399.60x = 6,605.98 × 3,808.45
  4. Step 4: Simplify right side
    4,399.60x = 25,158,544.53
  5. Step 5: Solve for x
    x = 25,158,544.53/4,399.60
  6. Step 6: Final answer
    x = 5,718.38

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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.