Home / 8,442.45-12,661.27-2,519.10

Finding the Fourth Proportional to 8,442.45, 12,661.27 and 2,519.10

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Solution

The fourth proportional to 8,442.45, 12,661.27 and 2,519.10 is: 3,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.45 : 12,661.27 = 2,519.10 : x
  2. Step 2: Convert to fraction form
    8,442.45/12,661.27 = 2,519.10/x
  3. Step 3: Cross multiply
    8,442.45x = 12,661.27 × 2,519.10
  4. Step 4: Simplify right side
    8,442.45x = 31,894,998.96
  5. Step 5: Solve for x
    x = 31,894,998.96/8,442.45
  6. Step 6: Final answer
    x = 3,777.93

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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.