Home / 8,223.78-11,348.94-4,866.51

Finding the Fourth Proportional to 8,223.78, 11,348.94 and 4,866.51

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Solution

The fourth proportional to 8,223.78, 11,348.94 and 4,866.51 is: 6,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.78 : 11,348.94 = 4,866.51 : x
  2. Step 2: Convert to fraction form
    8,223.78/11,348.94 = 4,866.51/x
  3. Step 3: Cross multiply
    8,223.78x = 11,348.94 × 4,866.51
  4. Step 4: Simplify right side
    8,223.78x = 55,229,730.00
  5. Step 5: Solve for x
    x = 55,229,730.00/8,223.78
  6. Step 6: Final answer
    x = 6,715.86

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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.