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Finding the Fourth Proportional to 8,633.00, 11,914.47 and 5,278.05

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Solution

The fourth proportional to 8,633.00, 11,914.47 and 5,278.05 is: 7,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.00 : 11,914.47 = 5,278.05 : x
  2. Step 2: Convert to fraction form
    8,633.00/11,914.47 = 5,278.05/x
  3. Step 3: Cross multiply
    8,633.00x = 11,914.47 × 5,278.05
  4. Step 4: Simplify right side
    8,633.00x = 62,885,168.38
  5. Step 5: Solve for x
    x = 62,885,168.38/8,633.00
  6. Step 6: Final answer
    x = 7,284.28

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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.