Home / 5,403.69-7,453.43-3,412.56

Finding the Fourth Proportional to 5,403.69, 7,453.43 and 3,412.56

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Solution

The fourth proportional to 5,403.69, 7,453.43 and 3,412.56 is: 4,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.69 : 7,453.43 = 3,412.56 : x
  2. Step 2: Convert to fraction form
    5,403.69/7,453.43 = 3,412.56/x
  3. Step 3: Cross multiply
    5,403.69x = 7,453.43 × 3,412.56
  4. Step 4: Simplify right side
    5,403.69x = 25,435,260.02
  5. Step 5: Solve for x
    x = 25,435,260.02/5,403.69
  6. Step 6: Final answer
    x = 4,707.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.