Home / 4,869.54-6,719.18-2,879.36

Finding the Fourth Proportional to 4,869.54, 6,719.18 and 2,879.36

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Solution

The fourth proportional to 4,869.54, 6,719.18 and 2,879.36 is: 3,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.54 : 6,719.18 = 2,879.36 : x
  2. Step 2: Convert to fraction form
    4,869.54/6,719.18 = 2,879.36/x
  3. Step 3: Cross multiply
    4,869.54x = 6,719.18 × 2,879.36
  4. Step 4: Simplify right side
    4,869.54x = 19,346,938.12
  5. Step 5: Solve for x
    x = 19,346,938.12/4,869.54
  6. Step 6: Final answer
    x = 3,973.05

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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.