Home / 4,979.44-6,869.95-3,090.35

Finding the Fourth Proportional to 4,979.44, 6,869.95 and 3,090.35

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Solution

The fourth proportional to 4,979.44, 6,869.95 and 3,090.35 is: 4,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.44 : 6,869.95 = 3,090.35 : x
  2. Step 2: Convert to fraction form
    4,979.44/6,869.95 = 3,090.35/x
  3. Step 3: Cross multiply
    4,979.44x = 6,869.95 × 3,090.35
  4. Step 4: Simplify right side
    4,979.44x = 21,230,559.43
  5. Step 5: Solve for x
    x = 21,230,559.43/4,979.44
  6. Step 6: Final answer
    x = 4,263.64

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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.