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Finding the Fourth Proportional to 6,418.48, 8,844.38 and 4,532.19

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Solution

The fourth proportional to 6,418.48, 8,844.38 and 4,532.19 is: 6,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.48 : 8,844.38 = 4,532.19 : x
  2. Step 2: Convert to fraction form
    6,418.48/8,844.38 = 4,532.19/x
  3. Step 3: Cross multiply
    6,418.48x = 8,844.38 × 4,532.19
  4. Step 4: Simplify right side
    6,418.48x = 40,084,410.59
  5. Step 5: Solve for x
    x = 40,084,410.59/6,418.48
  6. Step 6: Final answer
    x = 6,245.16

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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.