Home / 4,504.50-6,756.78-1,426.50

Finding the Fourth Proportional to 4,504.50, 6,756.78 and 1,426.50

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Solution

The fourth proportional to 4,504.50, 6,756.78 and 1,426.50 is: 2,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,504.50 : 6,756.78 = 1,426.50 : x
  2. Step 2: Convert to fraction form
    4,504.50/6,756.78 = 1,426.50/x
  3. Step 3: Cross multiply
    4,504.50x = 6,756.78 × 1,426.50
  4. Step 4: Simplify right side
    4,504.50x = 9,638,546.67
  5. Step 5: Solve for x
    x = 9,638,546.67/4,504.50
  6. Step 6: Final answer
    x = 2,139.76

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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.