Home / 6,624.75-9,143.37-3,830.25

Finding the Fourth Proportional to 6,624.75, 9,143.37 and 3,830.25

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Solution

The fourth proportional to 6,624.75, 9,143.37 and 3,830.25 is: 5,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.75 : 9,143.37 = 3,830.25 : x
  2. Step 2: Convert to fraction form
    6,624.75/9,143.37 = 3,830.25/x
  3. Step 3: Cross multiply
    6,624.75x = 9,143.37 × 3,830.25
  4. Step 4: Simplify right side
    6,624.75x = 35,021,392.94
  5. Step 5: Solve for x
    x = 35,021,392.94/6,624.75
  6. Step 6: Final answer
    x = 5,286.45

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Half scale
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Double scale
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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.