Home / 6,719.29-10,078.92-1,788.93

Finding the Fourth Proportional to 6,719.29, 10,078.92 and 1,788.93

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Solution

The fourth proportional to 6,719.29, 10,078.92 and 1,788.93 is: 2,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.29 : 10,078.92 = 1,788.93 : x
  2. Step 2: Convert to fraction form
    6,719.29/10,078.92 = 1,788.93/x
  3. Step 3: Cross multiply
    6,719.29x = 10,078.92 × 1,788.93
  4. Step 4: Simplify right side
    6,719.29x = 18,030,482.36
  5. Step 5: Solve for x
    x = 18,030,482.36/6,719.29
  6. Step 6: Final answer
    x = 2,683.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.