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Finding the Fourth Proportional to 4,667.42, 7,001.79 and 1,745.45

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Solution

The fourth proportional to 4,667.42, 7,001.79 and 1,745.45 is: 2,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.42 : 7,001.79 = 1,745.45 : x
  2. Step 2: Convert to fraction form
    4,667.42/7,001.79 = 1,745.45/x
  3. Step 3: Cross multiply
    4,667.42x = 7,001.79 × 1,745.45
  4. Step 4: Simplify right side
    4,667.42x = 12,221,239.35
  5. Step 5: Solve for x
    x = 12,221,239.35/4,667.42
  6. Step 6: Final answer
    x = 2,618.41

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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.