Home / 4,813.44-7,219.36-1,890.64

Finding the Fourth Proportional to 4,813.44, 7,219.36 and 1,890.64

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Solution

The fourth proportional to 4,813.44, 7,219.36 and 1,890.64 is: 2,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.44 : 7,219.36 = 1,890.64 : x
  2. Step 2: Convert to fraction form
    4,813.44/7,219.36 = 1,890.64/x
  3. Step 3: Cross multiply
    4,813.44x = 7,219.36 × 1,890.64
  4. Step 4: Simplify right side
    4,813.44x = 13,649,210.79
  5. Step 5: Solve for x
    x = 13,649,210.79/4,813.44
  6. Step 6: Final answer
    x = 2,835.65

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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.