Home / 8,289.14-12,431.91-2,444.42

Finding the Fourth Proportional to 8,289.14, 12,431.91 and 2,444.42

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Solution

The fourth proportional to 8,289.14, 12,431.91 and 2,444.42 is: 3,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.14 : 12,431.91 = 2,444.42 : x
  2. Step 2: Convert to fraction form
    8,289.14/12,431.91 = 2,444.42/x
  3. Step 3: Cross multiply
    8,289.14x = 12,431.91 × 2,444.42
  4. Step 4: Simplify right side
    8,289.14x = 30,388,809.44
  5. Step 5: Solve for x
    x = 30,388,809.44/8,289.14
  6. Step 6: Final answer
    x = 3,666.10

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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.