Home / 4,905.36-7,345.44-4,351.68

Finding the Fourth Proportional to 4,905.36, 7,345.44 and 4,351.68

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Solution

The fourth proportional to 4,905.36, 7,345.44 and 4,351.68 is: 6,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.36 : 7,345.44 = 4,351.68 : x
  2. Step 2: Convert to fraction form
    4,905.36/7,345.44 = 4,351.68/x
  3. Step 3: Cross multiply
    4,905.36x = 7,345.44 × 4,351.68
  4. Step 4: Simplify right side
    4,905.36x = 31,965,004.34
  5. Step 5: Solve for x
    x = 31,965,004.34/4,905.36
  6. Step 6: Final answer
    x = 6,516.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.