Home / 9,227.68-12,730.32-6,434.80

Finding the Fourth Proportional to 9,227.68, 12,730.32 and 6,434.80

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Solution

The fourth proportional to 9,227.68, 12,730.32 and 6,434.80 is: 8,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.68 : 12,730.32 = 6,434.80 : x
  2. Step 2: Convert to fraction form
    9,227.68/12,730.32 = 6,434.80/x
  3. Step 3: Cross multiply
    9,227.68x = 12,730.32 × 6,434.80
  4. Step 4: Simplify right side
    9,227.68x = 81,917,063.14
  5. Step 5: Solve for x
    x = 81,917,063.14/9,227.68
  6. Step 6: Final answer
    x = 8,877.32

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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.