Home / 4,505.76-6,759.70-1,427.76

Finding the Fourth Proportional to 4,505.76, 6,759.70 and 1,427.76

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Solution

The fourth proportional to 4,505.76, 6,759.70 and 1,427.76 is: 2,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.76 : 6,759.70 = 1,427.76 : x
  2. Step 2: Convert to fraction form
    4,505.76/6,759.70 = 1,427.76/x
  3. Step 3: Cross multiply
    4,505.76x = 6,759.70 × 1,427.76
  4. Step 4: Simplify right side
    4,505.76x = 9,651,229.27
  5. Step 5: Solve for x
    x = 9,651,229.27/4,505.76
  6. Step 6: Final answer
    x = 2,141.98

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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.