Home / 4,927-7,390.80-2,003.72

Finding the Fourth Proportional to 4,927, 7,390.80 and 2,003.72

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Solution

The fourth proportional to 4,927, 7,390.80 and 2,003.72 is: 3,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927 : 7,390.80 = 2,003.72 : x
  2. Step 2: Convert to fraction form
    4,927/7,390.80 = 2,003.72/x
  3. Step 3: Cross multiply
    4,927x = 7,390.80 × 2,003.72
  4. Step 4: Simplify right side
    4,927x = 14,809,093.78
  5. Step 5: Solve for x
    x = 14,809,093.78/4,927
  6. Step 6: Final answer
    x = 3,005.70

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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.