Home / 4,644.36-6,392.88-3,889.98

Finding the Fourth Proportional to 4,644.36, 6,392.88 and 3,889.98

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Solution

The fourth proportional to 4,644.36, 6,392.88 and 3,889.98 is: 5,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.36 : 6,392.88 = 3,889.98 : x
  2. Step 2: Convert to fraction form
    4,644.36/6,392.88 = 3,889.98/x
  3. Step 3: Cross multiply
    4,644.36x = 6,392.88 × 3,889.98
  4. Step 4: Simplify right side
    4,644.36x = 24,868,175.34
  5. Step 5: Solve for x
    x = 24,868,175.34/4,644.36
  6. Step 6: Final answer
    x = 5,354.49

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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.