Home / 4,971.16-6,861.06-2,876.44

Finding the Fourth Proportional to 4,971.16, 6,861.06 and 2,876.44

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Solution

The fourth proportional to 4,971.16, 6,861.06 and 2,876.44 is: 3,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.16 : 6,861.06 = 2,876.44 : x
  2. Step 2: Convert to fraction form
    4,971.16/6,861.06 = 2,876.44/x
  3. Step 3: Cross multiply
    4,971.16x = 6,861.06 × 2,876.44
  4. Step 4: Simplify right side
    4,971.16x = 19,735,427.43
  5. Step 5: Solve for x
    x = 19,735,427.43/4,971.16
  6. Step 6: Final answer
    x = 3,969.98

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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.