Home / 5,981.78-8,971.99-1,599.58

Finding the Fourth Proportional to 5,981.78, 8,971.99 and 1,599.58

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Solution

The fourth proportional to 5,981.78, 8,971.99 and 1,599.58 is: 2,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.78 : 8,971.99 = 1,599.58 : x
  2. Step 2: Convert to fraction form
    5,981.78/8,971.99 = 1,599.58/x
  3. Step 3: Cross multiply
    5,981.78x = 8,971.99 × 1,599.58
  4. Step 4: Simplify right side
    5,981.78x = 14,351,394.75
  5. Step 5: Solve for x
    x = 14,351,394.75/5,981.78
  6. Step 6: Final answer
    x = 2,399.18

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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.