Home / 6,916.30-10,373.63-1,919.03

Finding the Fourth Proportional to 6,916.30, 10,373.63 and 1,919.03

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Solution

The fourth proportional to 6,916.30, 10,373.63 and 1,919.03 is: 2,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.30 : 10,373.63 = 1,919.03 : x
  2. Step 2: Convert to fraction form
    6,916.30/10,373.63 = 1,919.03/x
  3. Step 3: Cross multiply
    6,916.30x = 10,373.63 × 1,919.03
  4. Step 4: Simplify right side
    6,916.30x = 19,907,245.72
  5. Step 5: Solve for x
    x = 19,907,245.72/6,916.30
  6. Step 6: Final answer
    x = 2,878.31

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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.