Home / 5,480.72-8,224.32-2,848.40

Finding the Fourth Proportional to 5,480.72, 8,224.32 and 2,848.40

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Solution

The fourth proportional to 5,480.72, 8,224.32 and 2,848.40 is: 4,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.72 : 8,224.32 = 2,848.40 : x
  2. Step 2: Convert to fraction form
    5,480.72/8,224.32 = 2,848.40/x
  3. Step 3: Cross multiply
    5,480.72x = 8,224.32 × 2,848.40
  4. Step 4: Simplify right side
    5,480.72x = 23,426,153.09
  5. Step 5: Solve for x
    x = 23,426,153.09/5,480.72
  6. Step 6: Final answer
    x = 4,274.28

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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.