Home / 7,860.36-11,735.61-6,760.20

Finding the Fourth Proportional to 7,860.36, 11,735.61 and 6,760.20

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Solution

The fourth proportional to 7,860.36, 11,735.61 and 6,760.20 is: 10,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.36 : 11,735.61 = 6,760.20 : x
  2. Step 2: Convert to fraction form
    7,860.36/11,735.61 = 6,760.20/x
  3. Step 3: Cross multiply
    7,860.36x = 11,735.61 × 6,760.20
  4. Step 4: Simplify right side
    7,860.36x = 79,335,070.72
  5. Step 5: Solve for x
    x = 79,335,070.72/7,860.36
  6. Step 6: Final answer
    x = 10,093.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.