Home / 8,512.63-12,769.28-2,966.54

Finding the Fourth Proportional to 8,512.63, 12,769.28 and 2,966.54

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Solution

The fourth proportional to 8,512.63, 12,769.28 and 2,966.54 is: 4,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.63 : 12,769.28 = 2,966.54 : x
  2. Step 2: Convert to fraction form
    8,512.63/12,769.28 = 2,966.54/x
  3. Step 3: Cross multiply
    8,512.63x = 12,769.28 × 2,966.54
  4. Step 4: Simplify right side
    8,512.63x = 37,880,529.02
  5. Step 5: Solve for x
    x = 37,880,529.02/8,512.63
  6. Step 6: Final answer
    x = 4,449.92

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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.