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Finding the Fourth Proportional to 8,406.68, 12,607.53 and 6,059.63

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Solution

The fourth proportional to 8,406.68, 12,607.53 and 6,059.63 is: 9,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.68 : 12,607.53 = 6,059.63 : x
  2. Step 2: Convert to fraction form
    8,406.68/12,607.53 = 6,059.63/x
  3. Step 3: Cross multiply
    8,406.68x = 12,607.53 × 6,059.63
  4. Step 4: Simplify right side
    8,406.68x = 76,396,903.98
  5. Step 5: Solve for x
    x = 76,396,903.98/8,406.68
  6. Step 6: Final answer
    x = 9,087.65

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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.