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Finding the Fourth Proportional to 6,491.51, 8,958.27 and 3,507.34

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Solution

The fourth proportional to 6,491.51, 8,958.27 and 3,507.34 is: 4,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.51 : 8,958.27 = 3,507.34 : x
  2. Step 2: Convert to fraction form
    6,491.51/8,958.27 = 3,507.34/x
  3. Step 3: Cross multiply
    6,491.51x = 8,958.27 × 3,507.34
  4. Step 4: Simplify right side
    6,491.51x = 31,419,676.31
  5. Step 5: Solve for x
    x = 31,419,676.31/6,491.51
  6. Step 6: Final answer
    x = 4,840.12

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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.