Home / 8,286.54-11,435.45-4,509.71

Finding the Fourth Proportional to 8,286.54, 11,435.45 and 4,509.71

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Solution

The fourth proportional to 8,286.54, 11,435.45 and 4,509.71 is: 6,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.54 : 11,435.45 = 4,509.71 : x
  2. Step 2: Convert to fraction form
    8,286.54/11,435.45 = 4,509.71/x
  3. Step 3: Cross multiply
    8,286.54x = 11,435.45 × 4,509.71
  4. Step 4: Simplify right side
    8,286.54x = 51,570,564.43
  5. Step 5: Solve for x
    x = 51,570,564.43/8,286.54
  6. Step 6: Final answer
    x = 6,223.41

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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.