Home / 4,808.13-7,212.62-1,345.39

Finding the Fourth Proportional to 4,808.13, 7,212.62 and 1,345.39

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Solution

The fourth proportional to 4,808.13, 7,212.62 and 1,345.39 is: 2,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.13 : 7,212.62 = 1,345.39 : x
  2. Step 2: Convert to fraction form
    4,808.13/7,212.62 = 1,345.39/x
  3. Step 3: Cross multiply
    4,808.13x = 7,212.62 × 1,345.39
  4. Step 4: Simplify right side
    4,808.13x = 9,703,786.82
  5. Step 5: Solve for x
    x = 9,703,786.82/4,808.13
  6. Step 6: Final answer
    x = 2,018.20

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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.