Home / 4,672.20-6,447.78-2,683.16

Finding the Fourth Proportional to 4,672.20, 6,447.78 and 2,683.16

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Solution

The fourth proportional to 4,672.20, 6,447.78 and 2,683.16 is: 3,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.20 : 6,447.78 = 2,683.16 : x
  2. Step 2: Convert to fraction form
    4,672.20/6,447.78 = 2,683.16/x
  3. Step 3: Cross multiply
    4,672.20x = 6,447.78 × 2,683.16
  4. Step 4: Simplify right side
    4,672.20x = 17,300,393.15
  5. Step 5: Solve for x
    x = 17,300,393.15/4,672.20
  6. Step 6: Final answer
    x = 3,702.84

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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.