Home / 7,650.45-11,474.06-2,720.39

Finding the Fourth Proportional to 7,650.45, 11,474.06 and 2,720.39

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Solution

The fourth proportional to 7,650.45, 11,474.06 and 2,720.39 is: 4,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.45 : 11,474.06 = 2,720.39 : x
  2. Step 2: Convert to fraction form
    7,650.45/11,474.06 = 2,720.39/x
  3. Step 3: Cross multiply
    7,650.45x = 11,474.06 × 2,720.39
  4. Step 4: Simplify right side
    7,650.45x = 31,213,847.11
  5. Step 5: Solve for x
    x = 31,213,847.11/7,650.45
  6. Step 6: Final answer
    x = 4,080.00

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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.