Home / 4,948.49-6,828.93-2,679.86

Finding the Fourth Proportional to 4,948.49, 6,828.93 and 2,679.86

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Solution

The fourth proportional to 4,948.49, 6,828.93 and 2,679.86 is: 3,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.49 : 6,828.93 = 2,679.86 : x
  2. Step 2: Convert to fraction form
    4,948.49/6,828.93 = 2,679.86/x
  3. Step 3: Cross multiply
    4,948.49x = 6,828.93 × 2,679.86
  4. Step 4: Simplify right side
    4,948.49x = 18,300,528.81
  5. Step 5: Solve for x
    x = 18,300,528.81/4,948.49
  6. Step 6: Final answer
    x = 3,698.20

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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.