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Finding the Fourth Proportional to 6,443.58, 9,667.53 and 2,744.22

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Solution

The fourth proportional to 6,443.58, 9,667.53 and 2,744.22 is: 4,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.58 : 9,667.53 = 2,744.22 : x
  2. Step 2: Convert to fraction form
    6,443.58/9,667.53 = 2,744.22/x
  3. Step 3: Cross multiply
    6,443.58x = 9,667.53 × 2,744.22
  4. Step 4: Simplify right side
    6,443.58x = 26,529,829.18
  5. Step 5: Solve for x
    x = 26,529,829.18/6,443.58
  6. Step 6: Final answer
    x = 4,117.25

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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.