Home / 8,311.08-12,466.46-2,154.92

Finding the Fourth Proportional to 8,311.08, 12,466.46 and 2,154.92

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Solution

The fourth proportional to 8,311.08, 12,466.46 and 2,154.92 is: 3,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.08 : 12,466.46 = 2,154.92 : x
  2. Step 2: Convert to fraction form
    8,311.08/12,466.46 = 2,154.92/x
  3. Step 3: Cross multiply
    8,311.08x = 12,466.46 × 2,154.92
  4. Step 4: Simplify right side
    8,311.08x = 26,864,223.98
  5. Step 5: Solve for x
    x = 26,864,223.98/8,311.08
  6. Step 6: Final answer
    x = 3,232.34

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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.