Home / 4,750.07-7,125.60-1,629.20

Finding the Fourth Proportional to 4,750.07, 7,125.60 and 1,629.20

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Solution

The fourth proportional to 4,750.07, 7,125.60 and 1,629.20 is: 2,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.07 : 7,125.60 = 1,629.20 : x
  2. Step 2: Convert to fraction form
    4,750.07/7,125.60 = 1,629.20/x
  3. Step 3: Cross multiply
    4,750.07x = 7,125.60 × 1,629.20
  4. Step 4: Simplify right side
    4,750.07x = 11,609,027.52
  5. Step 5: Solve for x
    x = 11,609,027.52/4,750.07
  6. Step 6: Final answer
    x = 2,443.97

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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.