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Finding the Fourth Proportional to 8,602.33, 12,903.76 and 3,055.58

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Solution

The fourth proportional to 8,602.33, 12,903.76 and 3,055.58 is: 4,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.33 : 12,903.76 = 3,055.58 : x
  2. Step 2: Convert to fraction form
    8,602.33/12,903.76 = 3,055.58/x
  3. Step 3: Cross multiply
    8,602.33x = 12,903.76 × 3,055.58
  4. Step 4: Simplify right side
    8,602.33x = 39,428,470.98
  5. Step 5: Solve for x
    x = 39,428,470.98/8,602.33
  6. Step 6: Final answer
    x = 4,583.47

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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.