Home / 5,783.49-8,674.43-2,085.21

Finding the Fourth Proportional to 5,783.49, 8,674.43 and 2,085.21

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Solution

The fourth proportional to 5,783.49, 8,674.43 and 2,085.21 is: 3,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.49 : 8,674.43 = 2,085.21 : x
  2. Step 2: Convert to fraction form
    5,783.49/8,674.43 = 2,085.21/x
  3. Step 3: Cross multiply
    5,783.49x = 8,674.43 × 2,085.21
  4. Step 4: Simplify right side
    5,783.49x = 18,087,997.75
  5. Step 5: Solve for x
    x = 18,087,997.75/5,783.49
  6. Step 6: Final answer
    x = 3,127.52

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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.