Home / 5,981.05-8,971.58-2,860.32

Finding the Fourth Proportional to 5,981.05, 8,971.58 and 2,860.32

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Solution

The fourth proportional to 5,981.05, 8,971.58 and 2,860.32 is: 4,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.05 : 8,971.58 = 2,860.32 : x
  2. Step 2: Convert to fraction form
    5,981.05/8,971.58 = 2,860.32/x
  3. Step 3: Cross multiply
    5,981.05x = 8,971.58 × 2,860.32
  4. Step 4: Simplify right side
    5,981.05x = 25,661,575.40
  5. Step 5: Solve for x
    x = 25,661,575.40/5,981.05
  6. Step 6: Final answer
    x = 4,290.48

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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.