Home / 4,755.53-7,133.31-1,292.78

Finding the Fourth Proportional to 4,755.53, 7,133.31 and 1,292.78

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Solution

The fourth proportional to 4,755.53, 7,133.31 and 1,292.78 is: 1,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.53 : 7,133.31 = 1,292.78 : x
  2. Step 2: Convert to fraction form
    4,755.53/7,133.31 = 1,292.78/x
  3. Step 3: Cross multiply
    4,755.53x = 7,133.31 × 1,292.78
  4. Step 4: Simplify right side
    4,755.53x = 9,221,800.50
  5. Step 5: Solve for x
    x = 9,221,800.50/4,755.53
  6. Step 6: Final answer
    x = 1,939.17

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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.