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Finding the Fourth Proportional to 8,538.64, 11,782.48 and 6,301.72

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Solution

The fourth proportional to 8,538.64, 11,782.48 and 6,301.72 is: 8,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.64 : 11,782.48 = 6,301.72 : x
  2. Step 2: Convert to fraction form
    8,538.64/11,782.48 = 6,301.72/x
  3. Step 3: Cross multiply
    8,538.64x = 11,782.48 × 6,301.72
  4. Step 4: Simplify right side
    8,538.64x = 74,249,889.87
  5. Step 5: Solve for x
    x = 74,249,889.87/8,538.64
  6. Step 6: Final answer
    x = 8,695.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.