Home / 4,619-6,928.50-1,156.25

Finding the Fourth Proportional to 4,619, 6,928.50 and 1,156.25

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Solution

The fourth proportional to 4,619, 6,928.50 and 1,156.25 is: 1,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619 : 6,928.50 = 1,156.25 : x
  2. Step 2: Convert to fraction form
    4,619/6,928.50 = 1,156.25/x
  3. Step 3: Cross multiply
    4,619x = 6,928.50 × 1,156.25
  4. Step 4: Simplify right side
    4,619x = 8,011,078.13
  5. Step 5: Solve for x
    x = 8,011,078.13/4,619
  6. Step 6: Final answer
    x = 1,734.38

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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.