Home / 8,153.08-12,229.63-4,256.57

Finding the Fourth Proportional to 8,153.08, 12,229.63 and 4,256.57

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Solution

The fourth proportional to 8,153.08, 12,229.63 and 4,256.57 is: 6,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.08 : 12,229.63 = 4,256.57 : x
  2. Step 2: Convert to fraction form
    8,153.08/12,229.63 = 4,256.57/x
  3. Step 3: Cross multiply
    8,153.08x = 12,229.63 × 4,256.57
  4. Step 4: Simplify right side
    8,153.08x = 52,056,296.10
  5. Step 5: Solve for x
    x = 52,056,296.10/8,153.08
  6. Step 6: Final answer
    x = 6,384.86

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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.