Home / 6,445.00-9,667.44-3,830.62

Finding the Fourth Proportional to 6,445.00, 9,667.44 and 3,830.62

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Solution

The fourth proportional to 6,445.00, 9,667.44 and 3,830.62 is: 5,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.00 : 9,667.44 = 3,830.62 : x
  2. Step 2: Convert to fraction form
    6,445.00/9,667.44 = 3,830.62/x
  3. Step 3: Cross multiply
    6,445.00x = 9,667.44 × 3,830.62
  4. Step 4: Simplify right side
    6,445.00x = 37,032,264.84
  5. Step 5: Solve for x
    x = 37,032,264.84/6,445.00
  6. Step 6: Final answer
    x = 5,745.89

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.