Home / 4,468.30-6,702.51-2,128.54

Finding the Fourth Proportional to 4,468.30, 6,702.51 and 2,128.54

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Solution

The fourth proportional to 4,468.30, 6,702.51 and 2,128.54 is: 3,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.30 : 6,702.51 = 2,128.54 : x
  2. Step 2: Convert to fraction form
    4,468.30/6,702.51 = 2,128.54/x
  3. Step 3: Cross multiply
    4,468.30x = 6,702.51 × 2,128.54
  4. Step 4: Simplify right side
    4,468.30x = 14,266,560.64
  5. Step 5: Solve for x
    x = 14,266,560.64/4,468.30
  6. Step 6: Final answer
    x = 3,192.84

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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.