Home / 4,960.21-7,440.07-1,840.82

Finding the Fourth Proportional to 4,960.21, 7,440.07 and 1,840.82

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Solution

The fourth proportional to 4,960.21, 7,440.07 and 1,840.82 is: 2,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.21 : 7,440.07 = 1,840.82 : x
  2. Step 2: Convert to fraction form
    4,960.21/7,440.07 = 1,840.82/x
  3. Step 3: Cross multiply
    4,960.21x = 7,440.07 × 1,840.82
  4. Step 4: Simplify right side
    4,960.21x = 13,695,858.66
  5. Step 5: Solve for x
    x = 13,695,858.66/4,960.21
  6. Step 6: Final answer
    x = 2,761.15

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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.