Home / 7,911.06-11,860.74-4,790.34

Finding the Fourth Proportional to 7,911.06, 11,860.74 and 4,790.34

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Solution

The fourth proportional to 7,911.06, 11,860.74 and 4,790.34 is: 7,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.06 : 11,860.74 = 4,790.34 : x
  2. Step 2: Convert to fraction form
    7,911.06/11,860.74 = 4,790.34/x
  3. Step 3: Cross multiply
    7,911.06x = 11,860.74 × 4,790.34
  4. Step 4: Simplify right side
    7,911.06x = 56,816,894.00
  5. Step 5: Solve for x
    x = 56,816,894.00/7,911.06
  6. Step 6: Final answer
    x = 7,181.96

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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.