Home / 4,214.20-6,322.34-1,905.08

Finding the Fourth Proportional to 4,214.20, 6,322.34 and 1,905.08

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Solution

The fourth proportional to 4,214.20, 6,322.34 and 1,905.08 is: 2,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.20 : 6,322.34 = 1,905.08 : x
  2. Step 2: Convert to fraction form
    4,214.20/6,322.34 = 1,905.08/x
  3. Step 3: Cross multiply
    4,214.20x = 6,322.34 × 1,905.08
  4. Step 4: Simplify right side
    4,214.20x = 12,044,563.49
  5. Step 5: Solve for x
    x = 12,044,563.49/4,214.20
  6. Step 6: Final answer
    x = 2,858.09

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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.