Home / 7,898.38-11,837.34-3,212.93

Finding the Fourth Proportional to 7,898.38, 11,837.34 and 3,212.93

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Solution

The fourth proportional to 7,898.38, 11,837.34 and 3,212.93 is: 4,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.38 : 11,837.34 = 3,212.93 : x
  2. Step 2: Convert to fraction form
    7,898.38/11,837.34 = 3,212.93/x
  3. Step 3: Cross multiply
    7,898.38x = 11,837.34 × 3,212.93
  4. Step 4: Simplify right side
    7,898.38x = 38,032,574.40
  5. Step 5: Solve for x
    x = 38,032,574.40/7,898.38
  6. Step 6: Final answer
    x = 4,815.24

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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.