Home / 4,751.68-7,128.48-1,464.64

Finding the Fourth Proportional to 4,751.68, 7,128.48 and 1,464.64

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Solution

The fourth proportional to 4,751.68, 7,128.48 and 1,464.64 is: 2,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.68 : 7,128.48 = 1,464.64 : x
  2. Step 2: Convert to fraction form
    4,751.68/7,128.48 = 1,464.64/x
  3. Step 3: Cross multiply
    4,751.68x = 7,128.48 × 1,464.64
  4. Step 4: Simplify right side
    4,751.68x = 10,440,656.95
  5. Step 5: Solve for x
    x = 10,440,656.95/4,751.68
  6. Step 6: Final answer
    x = 2,197.26

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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.