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Finding the Fourth Proportional to 8,648.76, 11,935.54 and 5,291.52

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Solution

The fourth proportional to 8,648.76, 11,935.54 and 5,291.52 is: 7,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.76 : 11,935.54 = 5,291.52 : x
  2. Step 2: Convert to fraction form
    8,648.76/11,935.54 = 5,291.52/x
  3. Step 3: Cross multiply
    8,648.76x = 11,935.54 × 5,291.52
  4. Step 4: Simplify right side
    8,648.76x = 63,157,148.62
  5. Step 5: Solve for x
    x = 63,157,148.62/8,648.76
  6. Step 6: Final answer
    x = 7,302.45

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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.