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Finding the Fourth Proportional to 6,483.38, 8,947.06 and 3,688.88

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Solution

The fourth proportional to 6,483.38, 8,947.06 and 3,688.88 is: 5,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.38 : 8,947.06 = 3,688.88 : x
  2. Step 2: Convert to fraction form
    6,483.38/8,947.06 = 3,688.88/x
  3. Step 3: Cross multiply
    6,483.38x = 8,947.06 × 3,688.88
  4. Step 4: Simplify right side
    6,483.38x = 33,004,576.74
  5. Step 5: Solve for x
    x = 33,004,576.74/6,483.38
  6. Step 6: Final answer
    x = 5,090.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.