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Finding the Fourth Proportional to 8,368.67, 11,548.26 and 4,784.01

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Solution

The fourth proportional to 8,368.67, 11,548.26 and 4,784.01 is: 6,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.67 : 11,548.26 = 4,784.01 : x
  2. Step 2: Convert to fraction form
    8,368.67/11,548.26 = 4,784.01/x
  3. Step 3: Cross multiply
    8,368.67x = 11,548.26 × 4,784.01
  4. Step 4: Simplify right side
    8,368.67x = 55,246,991.32
  5. Step 5: Solve for x
    x = 55,246,991.32/8,368.67
  6. Step 6: Final answer
    x = 6,601.65

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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.