Home / 8,223.06-11,348.13-4,686.18

Finding the Fourth Proportional to 8,223.06, 11,348.13 and 4,686.18

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Solution

The fourth proportional to 8,223.06, 11,348.13 and 4,686.18 is: 6,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.06 : 11,348.13 = 4,686.18 : x
  2. Step 2: Convert to fraction form
    8,223.06/11,348.13 = 4,686.18/x
  3. Step 3: Cross multiply
    8,223.06x = 11,348.13 × 4,686.18
  4. Step 4: Simplify right side
    8,223.06x = 53,179,379.84
  5. Step 5: Solve for x
    x = 53,179,379.84/8,223.06
  6. Step 6: Final answer
    x = 6,467.10

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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.