Home / 5,148.36-7,105.76-2,910.24

Finding the Fourth Proportional to 5,148.36, 7,105.76 and 2,910.24

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Solution

The fourth proportional to 5,148.36, 7,105.76 and 2,910.24 is: 4,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.36 : 7,105.76 = 2,910.24 : x
  2. Step 2: Convert to fraction form
    5,148.36/7,105.76 = 2,910.24/x
  3. Step 3: Cross multiply
    5,148.36x = 7,105.76 × 2,910.24
  4. Step 4: Simplify right side
    5,148.36x = 20,679,466.98
  5. Step 5: Solve for x
    x = 20,679,466.98/5,148.36
  6. Step 6: Final answer
    x = 4,016.71

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1.5x scale

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.