Home / 5,784.12-8,674.13-2,085.37

Finding the Fourth Proportional to 5,784.12, 8,674.13 and 2,085.37

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Solution

The fourth proportional to 5,784.12, 8,674.13 and 2,085.37 is: 3,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.12 : 8,674.13 = 2,085.37 : x
  2. Step 2: Convert to fraction form
    5,784.12/8,674.13 = 2,085.37/x
  3. Step 3: Cross multiply
    5,784.12x = 8,674.13 × 2,085.37
  4. Step 4: Simplify right side
    5,784.12x = 18,088,754.01
  5. Step 5: Solve for x
    x = 18,088,754.01/5,784.12
  6. Step 6: Final answer
    x = 3,127.31

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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.