Home / 7,895.25-11,840.30-2,628.84

Finding the Fourth Proportional to 7,895.25, 11,840.30 and 2,628.84

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Solution

The fourth proportional to 7,895.25, 11,840.30 and 2,628.84 is: 3,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.25 : 11,840.30 = 2,628.84 : x
  2. Step 2: Convert to fraction form
    7,895.25/11,840.30 = 2,628.84/x
  3. Step 3: Cross multiply
    7,895.25x = 11,840.30 × 2,628.84
  4. Step 4: Simplify right side
    7,895.25x = 31,126,254.25
  5. Step 5: Solve for x
    x = 31,126,254.25/7,895.25
  6. Step 6: Final answer
    x = 3,942.41

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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.