Home / 8,443.44-12,658.68-5,157.36

Finding the Fourth Proportional to 8,443.44, 12,658.68 and 5,157.36

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Solution

The fourth proportional to 8,443.44, 12,658.68 and 5,157.36 is: 7,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.44 : 12,658.68 = 5,157.36 : x
  2. Step 2: Convert to fraction form
    8,443.44/12,658.68 = 5,157.36/x
  3. Step 3: Cross multiply
    8,443.44x = 12,658.68 × 5,157.36
  4. Step 4: Simplify right side
    8,443.44x = 65,285,369.88
  5. Step 5: Solve for x
    x = 65,285,369.88/8,443.44
  6. Step 6: Final answer
    x = 7,732.08

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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.