Home / 4,968.48-6,856.26-2,978.04

Finding the Fourth Proportional to 4,968.48, 6,856.26 and 2,978.04

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Solution

The fourth proportional to 4,968.48, 6,856.26 and 2,978.04 is: 4,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.48 : 6,856.26 = 2,978.04 : x
  2. Step 2: Convert to fraction form
    4,968.48/6,856.26 = 2,978.04/x
  3. Step 3: Cross multiply
    4,968.48x = 6,856.26 × 2,978.04
  4. Step 4: Simplify right side
    4,968.48x = 20,418,216.53
  5. Step 5: Solve for x
    x = 20,418,216.53/4,968.48
  6. Step 6: Final answer
    x = 4,109.55

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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.