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Finding the Fourth Proportional to 8,243.93, 12,352.93 and 6,374.39

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Solution

The fourth proportional to 8,243.93, 12,352.93 and 6,374.39 is: 9,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.93 : 12,352.93 = 6,374.39 : x
  2. Step 2: Convert to fraction form
    8,243.93/12,352.93 = 6,374.39/x
  3. Step 3: Cross multiply
    8,243.93x = 12,352.93 × 6,374.39
  4. Step 4: Simplify right side
    8,243.93x = 78,742,432.31
  5. Step 5: Solve for x
    x = 78,742,432.31/8,243.93
  6. Step 6: Final answer
    x = 9,551.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.