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Finding the Fourth Proportional to 8,599.19, 12,898.78 and 5,676.81

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Solution

The fourth proportional to 8,599.19, 12,898.78 and 5,676.81 is: 8,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.19 : 12,898.78 = 5,676.81 : x
  2. Step 2: Convert to fraction form
    8,599.19/12,898.78 = 5,676.81/x
  3. Step 3: Cross multiply
    8,599.19x = 12,898.78 × 5,676.81
  4. Step 4: Simplify right side
    8,599.19x = 73,223,860.73
  5. Step 5: Solve for x
    x = 73,223,860.73/8,599.19
  6. Step 6: Final answer
    x = 8,515.21

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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.