Home / 8,223.78-11,348.94-4,866.50

Finding the Fourth Proportional to 8,223.78, 11,348.94 and 4,866.50

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Solution

The fourth proportional to 8,223.78, 11,348.94 and 4,866.50 is: 6,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.78 : 11,348.94 = 4,866.50 : x
  2. Step 2: Convert to fraction form
    8,223.78/11,348.94 = 4,866.50/x
  3. Step 3: Cross multiply
    8,223.78x = 11,348.94 × 4,866.50
  4. Step 4: Simplify right side
    8,223.78x = 55,229,616.51
  5. Step 5: Solve for x
    x = 55,229,616.51/8,223.78
  6. Step 6: Final answer
    x = 6,715.84

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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.