Home / 4,722.55-7,083.98-1,435.64

Finding the Fourth Proportional to 4,722.55, 7,083.98 and 1,435.64

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Solution

The fourth proportional to 4,722.55, 7,083.98 and 1,435.64 is: 2,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.55 : 7,083.98 = 1,435.64 : x
  2. Step 2: Convert to fraction form
    4,722.55/7,083.98 = 1,435.64/x
  3. Step 3: Cross multiply
    4,722.55x = 7,083.98 × 1,435.64
  4. Step 4: Simplify right side
    4,722.55x = 10,170,045.05
  5. Step 5: Solve for x
    x = 10,170,045.05/4,722.55
  6. Step 6: Final answer
    x = 2,153.51

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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.