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Finding the Fourth Proportional to 8,606.07, 12,909 and 5,683.68

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Solution

The fourth proportional to 8,606.07, 12,909 and 5,683.68 is: 8,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.07 : 12,909 = 5,683.68 : x
  2. Step 2: Convert to fraction form
    8,606.07/12,909 = 5,683.68/x
  3. Step 3: Cross multiply
    8,606.07x = 12,909 × 5,683.68
  4. Step 4: Simplify right side
    8,606.07x = 73,370,625.12
  5. Step 5: Solve for x
    x = 73,370,625.12/8,606.07
  6. Step 6: Final answer
    x = 8,525.45

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1.5x scale

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.