Home / 4,722.16-7,083.80-1,259.44

Finding the Fourth Proportional to 4,722.16, 7,083.80 and 1,259.44

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Solution

The fourth proportional to 4,722.16, 7,083.80 and 1,259.44 is: 1,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.16 : 7,083.80 = 1,259.44 : x
  2. Step 2: Convert to fraction form
    4,722.16/7,083.80 = 1,259.44/x
  3. Step 3: Cross multiply
    4,722.16x = 7,083.80 × 1,259.44
  4. Step 4: Simplify right side
    4,722.16x = 8,921,621.07
  5. Step 5: Solve for x
    x = 8,921,621.07/4,722.16
  6. Step 6: Final answer
    x = 1,889.31

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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.