Home / 7,910.77-11,860.25-4,790.02

Finding the Fourth Proportional to 7,910.77, 11,860.25 and 4,790.02

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Solution

The fourth proportional to 7,910.77, 11,860.25 and 4,790.02 is: 7,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.77 : 11,860.25 = 4,790.02 : x
  2. Step 2: Convert to fraction form
    7,910.77/11,860.25 = 4,790.02/x
  3. Step 3: Cross multiply
    7,910.77x = 11,860.25 × 4,790.02
  4. Step 4: Simplify right side
    7,910.77x = 56,810,816.81
  5. Step 5: Solve for x
    x = 56,810,816.81/7,910.77
  6. Step 6: Final answer
    x = 7,181.45

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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.