Home / 5,154.28-7,112.26-3,058

Finding the Fourth Proportional to 5,154.28, 7,112.26 and 3,058

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Solution

The fourth proportional to 5,154.28, 7,112.26 and 3,058 is: 4,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.28 : 7,112.26 = 3,058 : x
  2. Step 2: Convert to fraction form
    5,154.28/7,112.26 = 3,058/x
  3. Step 3: Cross multiply
    5,154.28x = 7,112.26 × 3,058
  4. Step 4: Simplify right side
    5,154.28x = 21,749,291.08
  5. Step 5: Solve for x
    x = 21,749,291.08/5,154.28
  6. Step 6: Final answer
    x = 4,219.66

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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.