Home / 8,238.43-11,368.29-4,880.71

Finding the Fourth Proportional to 8,238.43, 11,368.29 and 4,880.71

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Solution

The fourth proportional to 8,238.43, 11,368.29 and 4,880.71 is: 6,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.43 : 11,368.29 = 4,880.71 : x
  2. Step 2: Convert to fraction form
    8,238.43/11,368.29 = 4,880.71/x
  3. Step 3: Cross multiply
    8,238.43x = 11,368.29 × 4,880.71
  4. Step 4: Simplify right side
    8,238.43x = 55,485,326.69
  5. Step 5: Solve for x
    x = 55,485,326.69/8,238.43
  6. Step 6: Final answer
    x = 6,734.94

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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.