Home / 6,865.58-10,303.23-4,919.42

Finding the Fourth Proportional to 6,865.58, 10,303.23 and 4,919.42

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Solution

The fourth proportional to 6,865.58, 10,303.23 and 4,919.42 is: 7,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.58 : 10,303.23 = 4,919.42 : x
  2. Step 2: Convert to fraction form
    6,865.58/10,303.23 = 4,919.42/x
  3. Step 3: Cross multiply
    6,865.58x = 10,303.23 × 4,919.42
  4. Step 4: Simplify right side
    6,865.58x = 50,685,915.73
  5. Step 5: Solve for x
    x = 50,685,915.73/6,865.58
  6. Step 6: Final answer
    x = 7,382.61

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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.