Home / 7,745.02-11,619.22-2,814.50

Finding the Fourth Proportional to 7,745.02, 11,619.22 and 2,814.50

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Solution

The fourth proportional to 7,745.02, 11,619.22 and 2,814.50 is: 4,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.02 : 11,619.22 = 2,814.50 : x
  2. Step 2: Convert to fraction form
    7,745.02/11,619.22 = 2,814.50/x
  3. Step 3: Cross multiply
    7,745.02x = 11,619.22 × 2,814.50
  4. Step 4: Simplify right side
    7,745.02x = 32,702,294.69
  5. Step 5: Solve for x
    x = 32,702,294.69/7,745.02
  6. Step 6: Final answer
    x = 4,222.36

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1.5x scale

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.