Home / 5,153.28-7,110-3,057.60

Finding the Fourth Proportional to 5,153.28, 7,110 and 3,057.60

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Solution

The fourth proportional to 5,153.28, 7,110 and 3,057.60 is: 4,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.28 : 7,110 = 3,057.60 : x
  2. Step 2: Convert to fraction form
    5,153.28/7,110 = 3,057.60/x
  3. Step 3: Cross multiply
    5,153.28x = 7,110 × 3,057.60
  4. Step 4: Simplify right side
    5,153.28x = 21,739,536
  5. Step 5: Solve for x
    x = 21,739,536/5,153.28
  6. Step 6: Final answer
    x = 4,218.58

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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.