Home / 6,913.86-10,370.78-1,719.73

Finding the Fourth Proportional to 6,913.86, 10,370.78 and 1,719.73

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Solution

The fourth proportional to 6,913.86, 10,370.78 and 1,719.73 is: 2,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.86 : 10,370.78 = 1,719.73 : x
  2. Step 2: Convert to fraction form
    6,913.86/10,370.78 = 1,719.73/x
  3. Step 3: Cross multiply
    6,913.86x = 10,370.78 × 1,719.73
  4. Step 4: Simplify right side
    6,913.86x = 17,834,941.49
  5. Step 5: Solve for x
    x = 17,834,941.49/6,913.86
  6. Step 6: Final answer
    x = 2,579.59

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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.