Home / 4,550.05-6,825.09-1,430.31

Finding the Fourth Proportional to 4,550.05, 6,825.09 and 1,430.31

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Solution

The fourth proportional to 4,550.05, 6,825.09 and 1,430.31 is: 2,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.05 : 6,825.09 = 1,430.31 : x
  2. Step 2: Convert to fraction form
    4,550.05/6,825.09 = 1,430.31/x
  3. Step 3: Cross multiply
    4,550.05x = 6,825.09 × 1,430.31
  4. Step 4: Simplify right side
    4,550.05x = 9,761,974.98
  5. Step 5: Solve for x
    x = 9,761,974.98/4,550.05
  6. Step 6: Final answer
    x = 2,145.47

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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.