Home / 4,969.16-6,856.26-2,979.88

Finding the Fourth Proportional to 4,969.16, 6,856.26 and 2,979.88

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Solution

The fourth proportional to 4,969.16, 6,856.26 and 2,979.88 is: 4,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.16 : 6,856.26 = 2,979.88 : x
  2. Step 2: Convert to fraction form
    4,969.16/6,856.26 = 2,979.88/x
  3. Step 3: Cross multiply
    4,969.16x = 6,856.26 × 2,979.88
  4. Step 4: Simplify right side
    4,969.16x = 20,430,832.05
  5. Step 5: Solve for x
    x = 20,430,832.05/4,969.16
  6. Step 6: Final answer
    x = 4,111.53

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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.