Home / 7,860.86-11,791.40-2,017.32

Finding the Fourth Proportional to 7,860.86, 11,791.40 and 2,017.32

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Solution

The fourth proportional to 7,860.86, 11,791.40 and 2,017.32 is: 3,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.86 : 11,791.40 = 2,017.32 : x
  2. Step 2: Convert to fraction form
    7,860.86/11,791.40 = 2,017.32/x
  3. Step 3: Cross multiply
    7,860.86x = 11,791.40 × 2,017.32
  4. Step 4: Simplify right side
    7,860.86x = 23,787,027.05
  5. Step 5: Solve for x
    x = 23,787,027.05/7,860.86
  6. Step 6: Final answer
    x = 3,026.01

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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.