Home / 4,755.81-7,134.19-1,635.40

Finding the Fourth Proportional to 4,755.81, 7,134.19 and 1,635.40

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Solution

The fourth proportional to 4,755.81, 7,134.19 and 1,635.40 is: 2,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.81 : 7,134.19 = 1,635.40 : x
  2. Step 2: Convert to fraction form
    4,755.81/7,134.19 = 1,635.40/x
  3. Step 3: Cross multiply
    4,755.81x = 7,134.19 × 1,635.40
  4. Step 4: Simplify right side
    4,755.81x = 11,667,254.33
  5. Step 5: Solve for x
    x = 11,667,254.33/4,755.81
  6. Step 6: Final answer
    x = 2,453.26

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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.