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Finding the Fourth Proportional to 8,599.44, 12,903.48 and 6,412.56

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Solution

The fourth proportional to 8,599.44, 12,903.48 and 6,412.56 is: 9,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.44 : 12,903.48 = 6,412.56 : x
  2. Step 2: Convert to fraction form
    8,599.44/12,903.48 = 6,412.56/x
  3. Step 3: Cross multiply
    8,599.44x = 12,903.48 × 6,412.56
  4. Step 4: Simplify right side
    8,599.44x = 82,744,339.71
  5. Step 5: Solve for x
    x = 82,744,339.71/8,599.44
  6. Step 6: Final answer
    x = 9,622.06

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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.