Home / 5,147.36-7,103.40-3,052.88

Finding the Fourth Proportional to 5,147.36, 7,103.40 and 3,052.88

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Solution

The fourth proportional to 5,147.36, 7,103.40 and 3,052.88 is: 4,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.36 : 7,103.40 = 3,052.88 : x
  2. Step 2: Convert to fraction form
    5,147.36/7,103.40 = 3,052.88/x
  3. Step 3: Cross multiply
    5,147.36x = 7,103.40 × 3,052.88
  4. Step 4: Simplify right side
    5,147.36x = 21,685,827.79
  5. Step 5: Solve for x
    x = 21,685,827.79/5,147.36
  6. Step 6: Final answer
    x = 4,213.00

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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.