Home / 4,961.16-6,847.47-2,971.80

Finding the Fourth Proportional to 4,961.16, 6,847.47 and 2,971.80

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Solution

The fourth proportional to 4,961.16, 6,847.47 and 2,971.80 is: 4,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.16 : 6,847.47 = 2,971.80 : x
  2. Step 2: Convert to fraction form
    4,961.16/6,847.47 = 2,971.80/x
  3. Step 3: Cross multiply
    4,961.16x = 6,847.47 × 2,971.80
  4. Step 4: Simplify right side
    4,961.16x = 20,349,311.35
  5. Step 5: Solve for x
    x = 20,349,311.35/4,961.16
  6. Step 6: Final answer
    x = 4,101.72

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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.