Home / 4,378.59-6,563.16-1,742.45

Finding the Fourth Proportional to 4,378.59, 6,563.16 and 1,742.45

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Solution

The fourth proportional to 4,378.59, 6,563.16 and 1,742.45 is: 2,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.59 : 6,563.16 = 1,742.45 : x
  2. Step 2: Convert to fraction form
    4,378.59/6,563.16 = 1,742.45/x
  3. Step 3: Cross multiply
    4,378.59x = 6,563.16 × 1,742.45
  4. Step 4: Simplify right side
    4,378.59x = 11,435,945.33
  5. Step 5: Solve for x
    x = 11,435,945.33/4,378.59
  6. Step 6: Final answer
    x = 2,611.79

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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.