Home / 6,214.34-8,575.79-3,419.84

Finding the Fourth Proportional to 6,214.34, 8,575.79 and 3,419.84

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Solution

The fourth proportional to 6,214.34, 8,575.79 and 3,419.84 is: 4,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.34 : 8,575.79 = 3,419.84 : x
  2. Step 2: Convert to fraction form
    6,214.34/8,575.79 = 3,419.84/x
  3. Step 3: Cross multiply
    6,214.34x = 8,575.79 × 3,419.84
  4. Step 4: Simplify right side
    6,214.34x = 29,327,801.85
  5. Step 5: Solve for x
    x = 29,327,801.85/6,214.34
  6. Step 6: Final answer
    x = 4,719.38

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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.