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Finding the Fourth Proportional to 6,419.36, 8,850.18 and 5,763.26

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Solution

The fourth proportional to 6,419.36, 8,850.18 and 5,763.26 is: 7,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.36 : 8,850.18 = 5,763.26 : x
  2. Step 2: Convert to fraction form
    6,419.36/8,850.18 = 5,763.26/x
  3. Step 3: Cross multiply
    6,419.36x = 8,850.18 × 5,763.26
  4. Step 4: Simplify right side
    6,419.36x = 51,005,888.39
  5. Step 5: Solve for x
    x = 51,005,888.39/6,419.36
  6. Step 6: Final answer
    x = 7,945.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.