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Finding the Fourth Proportional to 8,013.24, 11,055.24 and 4,868.28

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Solution

The fourth proportional to 8,013.24, 11,055.24 and 4,868.28 is: 6,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.24 : 11,055.24 = 4,868.28 : x
  2. Step 2: Convert to fraction form
    8,013.24/11,055.24 = 4,868.28/x
  3. Step 3: Cross multiply
    8,013.24x = 11,055.24 × 4,868.28
  4. Step 4: Simplify right side
    8,013.24x = 53,820,003.79
  5. Step 5: Solve for x
    x = 53,820,003.79/8,013.24
  6. Step 6: Final answer
    x = 6,716.38

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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.