Home / 4,722.42-7,084-1,259.58

Finding the Fourth Proportional to 4,722.42, 7,084 and 1,259.58

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Solution

The fourth proportional to 4,722.42, 7,084 and 1,259.58 is: 1,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.42 : 7,084 = 1,259.58 : x
  2. Step 2: Convert to fraction form
    4,722.42/7,084 = 1,259.58/x
  3. Step 3: Cross multiply
    4,722.42x = 7,084 × 1,259.58
  4. Step 4: Simplify right side
    4,722.42x = 8,922,864.72
  5. Step 5: Solve for x
    x = 8,922,864.72/4,722.42
  6. Step 6: Final answer
    x = 1,889.47

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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.