Home / 4,808.38-7,212.84-1,345.90

Finding the Fourth Proportional to 4,808.38, 7,212.84 and 1,345.90

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Solution

The fourth proportional to 4,808.38, 7,212.84 and 1,345.90 is: 2,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.38 : 7,212.84 = 1,345.90 : x
  2. Step 2: Convert to fraction form
    4,808.38/7,212.84 = 1,345.90/x
  3. Step 3: Cross multiply
    4,808.38x = 7,212.84 × 1,345.90
  4. Step 4: Simplify right side
    4,808.38x = 9,707,761.36
  5. Step 5: Solve for x
    x = 9,707,761.36/4,808.38
  6. Step 6: Final answer
    x = 2,018.93

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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.