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Finding the Fourth Proportional to 8,240.37, 11,368.65 and 5,255.52

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Solution

The fourth proportional to 8,240.37, 11,368.65 and 5,255.52 is: 7,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.37 : 11,368.65 = 5,255.52 : x
  2. Step 2: Convert to fraction form
    8,240.37/11,368.65 = 5,255.52/x
  3. Step 3: Cross multiply
    8,240.37x = 11,368.65 × 5,255.52
  4. Step 4: Simplify right side
    8,240.37x = 59,748,167.45
  5. Step 5: Solve for x
    x = 59,748,167.45/8,240.37
  6. Step 6: Final answer
    x = 7,250.67

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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.