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Finding the Fourth Proportional to 8,604.74, 11,875.02 and 4,829.10

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Solution

The fourth proportional to 8,604.74, 11,875.02 and 4,829.10 is: 6,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.74 : 11,875.02 = 4,829.10 : x
  2. Step 2: Convert to fraction form
    8,604.74/11,875.02 = 4,829.10/x
  3. Step 3: Cross multiply
    8,604.74x = 11,875.02 × 4,829.10
  4. Step 4: Simplify right side
    8,604.74x = 57,345,659.08
  5. Step 5: Solve for x
    x = 57,345,659.08/8,604.74
  6. Step 6: Final answer
    x = 6,664.43

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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.