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Finding the Fourth Proportional to 6,321, 8,722.98 and 3,526.50

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Solution

The fourth proportional to 6,321, 8,722.98 and 3,526.50 is: 4,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321 : 8,722.98 = 3,526.50 : x
  2. Step 2: Convert to fraction form
    6,321/8,722.98 = 3,526.50/x
  3. Step 3: Cross multiply
    6,321x = 8,722.98 × 3,526.50
  4. Step 4: Simplify right side
    6,321x = 30,761,588.97
  5. Step 5: Solve for x
    x = 30,761,588.97/6,321
  6. Step 6: Final answer
    x = 4,866.57

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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.