Home / 4,971.46-6,861.64-2,876.26

Finding the Fourth Proportional to 4,971.46, 6,861.64 and 2,876.26

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Solution

The fourth proportional to 4,971.46, 6,861.64 and 2,876.26 is: 3,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.46 : 6,861.64 = 2,876.26 : x
  2. Step 2: Convert to fraction form
    4,971.46/6,861.64 = 2,876.26/x
  3. Step 3: Cross multiply
    4,971.46x = 6,861.64 × 2,876.26
  4. Step 4: Simplify right side
    4,971.46x = 19,735,860.67
  5. Step 5: Solve for x
    x = 19,735,860.67/4,971.46
  6. Step 6: Final answer
    x = 3,969.83

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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.