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Finding the Fourth Proportional to 6,487.26, 8,955.78 and 4,373.88

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Solution

The fourth proportional to 6,487.26, 8,955.78 and 4,373.88 is: 6,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.26 : 8,955.78 = 4,373.88 : x
  2. Step 2: Convert to fraction form
    6,487.26/8,955.78 = 4,373.88/x
  3. Step 3: Cross multiply
    6,487.26x = 8,955.78 × 4,373.88
  4. Step 4: Simplify right side
    6,487.26x = 39,171,507.03
  5. Step 5: Solve for x
    x = 39,171,507.03/6,487.26
  6. Step 6: Final answer
    x = 6,038.22

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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.