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Finding the Fourth Proportional to 6,624.56, 9,943.73 and 6,475.79

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Solution

The fourth proportional to 6,624.56, 9,943.73 and 6,475.79 is: 9,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.56 : 9,943.73 = 6,475.79 : x
  2. Step 2: Convert to fraction form
    6,624.56/9,943.73 = 6,475.79/x
  3. Step 3: Cross multiply
    6,624.56x = 9,943.73 × 6,475.79
  4. Step 4: Simplify right side
    6,624.56x = 64,393,507.30
  5. Step 5: Solve for x
    x = 64,393,507.30/6,624.56
  6. Step 6: Final answer
    x = 9,720.42

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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.