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Finding the Fourth Proportional to 6,254, 8,630.79 and 3,459.50

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Solution

The fourth proportional to 6,254, 8,630.79 and 3,459.50 is: 4,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254 : 8,630.79 = 3,459.50 : x
  2. Step 2: Convert to fraction form
    6,254/8,630.79 = 3,459.50/x
  3. Step 3: Cross multiply
    6,254x = 8,630.79 × 3,459.50
  4. Step 4: Simplify right side
    6,254x = 29,858,218.01
  5. Step 5: Solve for x
    x = 29,858,218.01/6,254
  6. Step 6: Final answer
    x = 4,774.26

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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.