Home / 7,518.09-11,277.72-2,520.49

Finding the Fourth Proportional to 7,518.09, 11,277.72 and 2,520.49

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Solution

The fourth proportional to 7,518.09, 11,277.72 and 2,520.49 is: 3,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.09 : 11,277.72 = 2,520.49 : x
  2. Step 2: Convert to fraction form
    7,518.09/11,277.72 = 2,520.49/x
  3. Step 3: Cross multiply
    7,518.09x = 11,277.72 × 2,520.49
  4. Step 4: Simplify right side
    7,518.09x = 28,425,380.48
  5. Step 5: Solve for x
    x = 28,425,380.48/7,518.09
  6. Step 6: Final answer
    x = 3,780.93

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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.