Home / 4,241.12-6,362.48-1,318.76

Finding the Fourth Proportional to 4,241.12, 6,362.48 and 1,318.76

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Solution

The fourth proportional to 4,241.12, 6,362.48 and 1,318.76 is: 1,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.12 : 6,362.48 = 1,318.76 : x
  2. Step 2: Convert to fraction form
    4,241.12/6,362.48 = 1,318.76/x
  3. Step 3: Cross multiply
    4,241.12x = 6,362.48 × 1,318.76
  4. Step 4: Simplify right side
    4,241.12x = 8,390,584.12
  5. Step 5: Solve for x
    x = 8,390,584.12/4,241.12
  6. Step 6: Final answer
    x = 1,978.39

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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.