Home / 4,722.42-7,083.84-1,259.70

Finding the Fourth Proportional to 4,722.42, 7,083.84 and 1,259.70

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Solution

The fourth proportional to 4,722.42, 7,083.84 and 1,259.70 is: 1,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.42 : 7,083.84 = 1,259.70 : x
  2. Step 2: Convert to fraction form
    4,722.42/7,083.84 = 1,259.70/x
  3. Step 3: Cross multiply
    4,722.42x = 7,083.84 × 1,259.70
  4. Step 4: Simplify right side
    4,722.42x = 8,923,513.25
  5. Step 5: Solve for x
    x = 8,923,513.25/4,722.42
  6. Step 6: Final answer
    x = 1,889.61

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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.