Home / 7,017.75-9,684.77-3,874.14

Finding the Fourth Proportional to 7,017.75, 9,684.77 and 3,874.14

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Solution

The fourth proportional to 7,017.75, 9,684.77 and 3,874.14 is: 5,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.75 : 9,684.77 = 3,874.14 : x
  2. Step 2: Convert to fraction form
    7,017.75/9,684.77 = 3,874.14/x
  3. Step 3: Cross multiply
    7,017.75x = 9,684.77 × 3,874.14
  4. Step 4: Simplify right side
    7,017.75x = 37,520,135.48
  5. Step 5: Solve for x
    x = 37,520,135.48/7,017.75
  6. Step 6: Final answer
    x = 5,346.46

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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.