Home / 4,443.20-6,664.80-4,253.60

Finding the Fourth Proportional to 4,443.20, 6,664.80 and 4,253.60

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Solution

The fourth proportional to 4,443.20, 6,664.80 and 4,253.60 is: 6,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.20 : 6,664.80 = 4,253.60 : x
  2. Step 2: Convert to fraction form
    4,443.20/6,664.80 = 4,253.60/x
  3. Step 3: Cross multiply
    4,443.20x = 6,664.80 × 4,253.60
  4. Step 4: Simplify right side
    4,443.20x = 28,349,393.28
  5. Step 5: Solve for x
    x = 28,349,393.28/4,443.20
  6. Step 6: Final answer
    x = 6,380.40

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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.