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Finding the Fourth Proportional to 6,363.36, 8,782.32 and 4,238.88

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Solution

The fourth proportional to 6,363.36, 8,782.32 and 4,238.88 is: 5,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.36 : 8,782.32 = 4,238.88 : x
  2. Step 2: Convert to fraction form
    6,363.36/8,782.32 = 4,238.88/x
  3. Step 3: Cross multiply
    6,363.36x = 8,782.32 × 4,238.88
  4. Step 4: Simplify right side
    6,363.36x = 37,227,200.60
  5. Step 5: Solve for x
    x = 37,227,200.60/6,363.36
  6. Step 6: Final answer
    x = 5,850.24

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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.