Home / 4,961.61-6,847.56-2,972.66

Finding the Fourth Proportional to 4,961.61, 6,847.56 and 2,972.66

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Solution

The fourth proportional to 4,961.61, 6,847.56 and 2,972.66 is: 4,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.61 : 6,847.56 = 2,972.66 : x
  2. Step 2: Convert to fraction form
    4,961.61/6,847.56 = 2,972.66/x
  3. Step 3: Cross multiply
    4,961.61x = 6,847.56 × 2,972.66
  4. Step 4: Simplify right side
    4,961.61x = 20,355,433.47
  5. Step 5: Solve for x
    x = 20,355,433.47/4,961.61
  6. Step 6: Final answer
    x = 4,102.59

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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.