Home / 3,555.93-5,334.21-923.43

Finding the Fourth Proportional to 3,555.93, 5,334.21 and 923.43

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Solution

The fourth proportional to 3,555.93, 5,334.21 and 923.43 is: 1,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.93 : 5,334.21 = 923.43 : x
  2. Step 2: Convert to fraction form
    3,555.93/5,334.21 = 923.43/x
  3. Step 3: Cross multiply
    3,555.93x = 5,334.21 × 923.43
  4. Step 4: Simplify right side
    3,555.93x = 4,925,769.54
  5. Step 5: Solve for x
    x = 4,925,769.54/3,555.93
  6. Step 6: Final answer
    x = 1,385.23

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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.