Home / 4,678.16-7,013.75-2,828.81

Finding the Fourth Proportional to 4,678.16, 7,013.75 and 2,828.81

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Solution

The fourth proportional to 4,678.16, 7,013.75 and 2,828.81 is: 4,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.16 : 7,013.75 = 2,828.81 : x
  2. Step 2: Convert to fraction form
    4,678.16/7,013.75 = 2,828.81/x
  3. Step 3: Cross multiply
    4,678.16x = 7,013.75 × 2,828.81
  4. Step 4: Simplify right side
    4,678.16x = 19,840,516.92
  5. Step 5: Solve for x
    x = 19,840,516.92/4,678.16
  6. Step 6: Final answer
    x = 4,241.10

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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.