Home / 7,620.84-11,431.08-2,941.83

Finding the Fourth Proportional to 7,620.84, 11,431.08 and 2,941.83

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Solution

The fourth proportional to 7,620.84, 11,431.08 and 2,941.83 is: 4,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.84 : 11,431.08 = 2,941.83 : x
  2. Step 2: Convert to fraction form
    7,620.84/11,431.08 = 2,941.83/x
  3. Step 3: Cross multiply
    7,620.84x = 11,431.08 × 2,941.83
  4. Step 4: Simplify right side
    7,620.84x = 33,628,294.08
  5. Step 5: Solve for x
    x = 33,628,294.08/7,620.84
  6. Step 6: Final answer
    x = 4,412.68

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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.