Home / 6,913.92-10,370.79-1,719.75

Finding the Fourth Proportional to 6,913.92, 10,370.79 and 1,719.75

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Solution

The fourth proportional to 6,913.92, 10,370.79 and 1,719.75 is: 2,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.92 : 10,370.79 = 1,719.75 : x
  2. Step 2: Convert to fraction form
    6,913.92/10,370.79 = 1,719.75/x
  3. Step 3: Cross multiply
    6,913.92x = 10,370.79 × 1,719.75
  4. Step 4: Simplify right side
    6,913.92x = 17,835,166.10
  5. Step 5: Solve for x
    x = 17,835,166.10/6,913.92
  6. Step 6: Final answer
    x = 2,579.60

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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.