Home / 8,223.66-11,348.37-4,688.01

Finding the Fourth Proportional to 8,223.66, 11,348.37 and 4,688.01

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Solution

The fourth proportional to 8,223.66, 11,348.37 and 4,688.01 is: 6,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.66 : 11,348.37 = 4,688.01 : x
  2. Step 2: Convert to fraction form
    8,223.66/11,348.37 = 4,688.01/x
  3. Step 3: Cross multiply
    8,223.66x = 11,348.37 × 4,688.01
  4. Step 4: Simplify right side
    8,223.66x = 53,201,272.04
  5. Step 5: Solve for x
    x = 53,201,272.04/8,223.66
  6. Step 6: Final answer
    x = 6,469.29

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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.