Home / 8,427.20-11,632.32-4,891.52

Finding the Fourth Proportional to 8,427.20, 11,632.32 and 4,891.52

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Solution

The fourth proportional to 8,427.20, 11,632.32 and 4,891.52 is: 6,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.20 : 11,632.32 = 4,891.52 : x
  2. Step 2: Convert to fraction form
    8,427.20/11,632.32 = 4,891.52/x
  3. Step 3: Cross multiply
    8,427.20x = 11,632.32 × 4,891.52
  4. Step 4: Simplify right side
    8,427.20x = 56,899,725.93
  5. Step 5: Solve for x
    x = 56,899,725.93/8,427.20
  6. Step 6: Final answer
    x = 6,751.91

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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.