Home / 6,388.13-9,583.64-1,946.19

Finding the Fourth Proportional to 6,388.13, 9,583.64 and 1,946.19

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Solution

The fourth proportional to 6,388.13, 9,583.64 and 1,946.19 is: 2,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.13 : 9,583.64 = 1,946.19 : x
  2. Step 2: Convert to fraction form
    6,388.13/9,583.64 = 1,946.19/x
  3. Step 3: Cross multiply
    6,388.13x = 9,583.64 × 1,946.19
  4. Step 4: Simplify right side
    6,388.13x = 18,651,584.33
  5. Step 5: Solve for x
    x = 18,651,584.33/6,388.13
  6. Step 6: Final answer
    x = 2,919.73

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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.