Home / 6,916.80-10,375.17-4,144.30

Finding the Fourth Proportional to 6,916.80, 10,375.17 and 4,144.30

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Solution

The fourth proportional to 6,916.80, 10,375.17 and 4,144.30 is: 6,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.80 : 10,375.17 = 4,144.30 : x
  2. Step 2: Convert to fraction form
    6,916.80/10,375.17 = 4,144.30/x
  3. Step 3: Cross multiply
    6,916.80x = 10,375.17 × 4,144.30
  4. Step 4: Simplify right side
    6,916.80x = 42,997,817.03
  5. Step 5: Solve for x
    x = 42,997,817.03/6,916.80
  6. Step 6: Final answer
    x = 6,216.44

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1.5x scale

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.