Home / 5,412.90-7,469.76-3,054.96

Finding the Fourth Proportional to 5,412.90, 7,469.76 and 3,054.96

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Solution

The fourth proportional to 5,412.90, 7,469.76 and 3,054.96 is: 4,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.90 : 7,469.76 = 3,054.96 : x
  2. Step 2: Convert to fraction form
    5,412.90/7,469.76 = 3,054.96/x
  3. Step 3: Cross multiply
    5,412.90x = 7,469.76 × 3,054.96
  4. Step 4: Simplify right side
    5,412.90x = 22,819,818.01
  5. Step 5: Solve for x
    x = 22,819,818.01/5,412.90
  6. Step 6: Final answer
    x = 4,215.82

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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.