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Finding the Fourth Proportional to 6,484.11, 8,947.56 and 3,651.27

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Solution

The fourth proportional to 6,484.11, 8,947.56 and 3,651.27 is: 5,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.11 : 8,947.56 = 3,651.27 : x
  2. Step 2: Convert to fraction form
    6,484.11/8,947.56 = 3,651.27/x
  3. Step 3: Cross multiply
    6,484.11x = 8,947.56 × 3,651.27
  4. Step 4: Simplify right side
    6,484.11x = 32,669,957.40
  5. Step 5: Solve for x
    x = 32,669,957.40/6,484.11
  6. Step 6: Final answer
    x = 5,038.46

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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.