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Finding the Fourth Proportional to 8,347.08, 12,503.88 and 3,968.76

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Solution

The fourth proportional to 8,347.08, 12,503.88 and 3,968.76 is: 5,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.08 : 12,503.88 = 3,968.76 : x
  2. Step 2: Convert to fraction form
    8,347.08/12,503.88 = 3,968.76/x
  3. Step 3: Cross multiply
    8,347.08x = 12,503.88 × 3,968.76
  4. Step 4: Simplify right side
    8,347.08x = 49,624,898.79
  5. Step 5: Solve for x
    x = 49,624,898.79/8,347.08
  6. Step 6: Final answer
    x = 5,945.18

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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.