Home / 9,152.58-12,640.94-6,163.22

Finding the Fourth Proportional to 9,152.58, 12,640.94 and 6,163.22

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Solution

The fourth proportional to 9,152.58, 12,640.94 and 6,163.22 is: 8,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.58 : 12,640.94 = 6,163.22 : x
  2. Step 2: Convert to fraction form
    9,152.58/12,640.94 = 6,163.22/x
  3. Step 3: Cross multiply
    9,152.58x = 12,640.94 × 6,163.22
  4. Step 4: Simplify right side
    9,152.58x = 77,908,800.21
  5. Step 5: Solve for x
    x = 77,908,800.21/9,152.58
  6. Step 6: Final answer
    x = 8,512.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.