Home / 6,916.20-9,540.72-4,396.92

Finding the Fourth Proportional to 6,916.20, 9,540.72 and 4,396.92

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Solution

The fourth proportional to 6,916.20, 9,540.72 and 4,396.92 is: 6,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.20 : 9,540.72 = 4,396.92 : x
  2. Step 2: Convert to fraction form
    6,916.20/9,540.72 = 4,396.92/x
  3. Step 3: Cross multiply
    6,916.20x = 9,540.72 × 4,396.92
  4. Step 4: Simplify right side
    6,916.20x = 41,949,782.58
  5. Step 5: Solve for x
    x = 41,949,782.58/6,916.20
  6. Step 6: Final answer
    x = 6,065.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.