Home / 8,740.36-13,111.62-3,196.32

Finding the Fourth Proportional to 8,740.36, 13,111.62 and 3,196.32

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Solution

The fourth proportional to 8,740.36, 13,111.62 and 3,196.32 is: 4,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.36 : 13,111.62 = 3,196.32 : x
  2. Step 2: Convert to fraction form
    8,740.36/13,111.62 = 3,196.32/x
  3. Step 3: Cross multiply
    8,740.36x = 13,111.62 × 3,196.32
  4. Step 4: Simplify right side
    8,740.36x = 41,908,933.24
  5. Step 5: Solve for x
    x = 41,908,933.24/8,740.36
  6. Step 6: Final answer
    x = 4,794.87

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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.