Home / 6,625.21-9,143.58-3,830.71

Finding the Fourth Proportional to 6,625.21, 9,143.58 and 3,830.71

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Solution

The fourth proportional to 6,625.21, 9,143.58 and 3,830.71 is: 5,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.21 : 9,143.58 = 3,830.71 : x
  2. Step 2: Convert to fraction form
    6,625.21/9,143.58 = 3,830.71/x
  3. Step 3: Cross multiply
    6,625.21x = 9,143.58 × 3,830.71
  4. Step 4: Simplify right side
    6,625.21x = 35,026,403.34
  5. Step 5: Solve for x
    x = 35,026,403.34/6,625.21
  6. Step 6: Final answer
    x = 5,286.84

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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.