Home / 5,751.12-8,619.36-2,977.27

Finding the Fourth Proportional to 5,751.12, 8,619.36 and 2,977.27

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Solution

The fourth proportional to 5,751.12, 8,619.36 and 2,977.27 is: 4,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.12 : 8,619.36 = 2,977.27 : x
  2. Step 2: Convert to fraction form
    5,751.12/8,619.36 = 2,977.27/x
  3. Step 3: Cross multiply
    5,751.12x = 8,619.36 × 2,977.27
  4. Step 4: Simplify right side
    5,751.12x = 25,662,161.95
  5. Step 5: Solve for x
    x = 25,662,161.95/5,751.12
  6. Step 6: Final answer
    x = 4,462.12

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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.