Home / 4,203.60-6,305.40-1,281.90

Finding the Fourth Proportional to 4,203.60, 6,305.40 and 1,281.90

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Solution

The fourth proportional to 4,203.60, 6,305.40 and 1,281.90 is: 1,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.60 : 6,305.40 = 1,281.90 : x
  2. Step 2: Convert to fraction form
    4,203.60/6,305.40 = 1,281.90/x
  3. Step 3: Cross multiply
    4,203.60x = 6,305.40 × 1,281.90
  4. Step 4: Simplify right side
    4,203.60x = 8,082,892.26
  5. Step 5: Solve for x
    x = 8,082,892.26/4,203.60
  6. Step 6: Final answer
    x = 1,922.85

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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.