Home / 7,860.40-11,791.01-2,017.06

Finding the Fourth Proportional to 7,860.40, 11,791.01 and 2,017.06

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Solution

The fourth proportional to 7,860.40, 11,791.01 and 2,017.06 is: 3,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.40 : 11,791.01 = 2,017.06 : x
  2. Step 2: Convert to fraction form
    7,860.40/11,791.01 = 2,017.06/x
  3. Step 3: Cross multiply
    7,860.40x = 11,791.01 × 2,017.06
  4. Step 4: Simplify right side
    7,860.40x = 23,783,120.72
  5. Step 5: Solve for x
    x = 23,783,120.72/7,860.40
  6. Step 6: Final answer
    x = 3,025.69

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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.