Home / 5,674.04-7,821.90-3,683.84

Finding the Fourth Proportional to 5,674.04, 7,821.90 and 3,683.84

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Solution

The fourth proportional to 5,674.04, 7,821.90 and 3,683.84 is: 5,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.04 : 7,821.90 = 3,683.84 : x
  2. Step 2: Convert to fraction form
    5,674.04/7,821.90 = 3,683.84/x
  3. Step 3: Cross multiply
    5,674.04x = 7,821.90 × 3,683.84
  4. Step 4: Simplify right side
    5,674.04x = 28,814,628.10
  5. Step 5: Solve for x
    x = 28,814,628.10/5,674.04
  6. Step 6: Final answer
    x = 5,078.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.