Home / 5,441.72-7,509.71-3,084.21

Finding the Fourth Proportional to 5,441.72, 7,509.71 and 3,084.21

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Solution

The fourth proportional to 5,441.72, 7,509.71 and 3,084.21 is: 4,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.72 : 7,509.71 = 3,084.21 : x
  2. Step 2: Convert to fraction form
    5,441.72/7,509.71 = 3,084.21/x
  3. Step 3: Cross multiply
    5,441.72x = 7,509.71 × 3,084.21
  4. Step 4: Simplify right side
    5,441.72x = 23,161,530.39
  5. Step 5: Solve for x
    x = 23,161,530.39/5,441.72
  6. Step 6: Final answer
    x = 4,256.29

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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.