Home / 5,983.47-8,971.16-2,085.75

Finding the Fourth Proportional to 5,983.47, 8,971.16 and 2,085.75

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Solution

The fourth proportional to 5,983.47, 8,971.16 and 2,085.75 is: 3,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.47 : 8,971.16 = 2,085.75 : x
  2. Step 2: Convert to fraction form
    5,983.47/8,971.16 = 2,085.75/x
  3. Step 3: Cross multiply
    5,983.47x = 8,971.16 × 2,085.75
  4. Step 4: Simplify right side
    5,983.47x = 18,711,586.54
  5. Step 5: Solve for x
    x = 18,711,586.54/5,983.47
  6. Step 6: Final answer
    x = 3,127.21

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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.