Home / 4,759.61-7,139.42-1,296.86

Finding the Fourth Proportional to 4,759.61, 7,139.42 and 1,296.86

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Solution

The fourth proportional to 4,759.61, 7,139.42 and 1,296.86 is: 1,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.61 : 7,139.42 = 1,296.86 : x
  2. Step 2: Convert to fraction form
    4,759.61/7,139.42 = 1,296.86/x
  3. Step 3: Cross multiply
    4,759.61x = 7,139.42 × 1,296.86
  4. Step 4: Simplify right side
    4,759.61x = 9,258,790.90
  5. Step 5: Solve for x
    x = 9,258,790.90/4,759.61
  6. Step 6: Final answer
    x = 1,945.29

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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.