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Finding the Fourth Proportional to 8,325.54, 12,483.99 and 3,059.19

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Solution

The fourth proportional to 8,325.54, 12,483.99 and 3,059.19 is: 4,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.54 : 12,483.99 = 3,059.19 : x
  2. Step 2: Convert to fraction form
    8,325.54/12,483.99 = 3,059.19/x
  3. Step 3: Cross multiply
    8,325.54x = 12,483.99 × 3,059.19
  4. Step 4: Simplify right side
    8,325.54x = 38,190,897.37
  5. Step 5: Solve for x
    x = 38,190,897.37/8,325.54
  6. Step 6: Final answer
    x = 4,587.20

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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.