Home / 4,864.57-7,282.80-2,857.19

Finding the Fourth Proportional to 4,864.57, 7,282.80 and 2,857.19

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Solution

The fourth proportional to 4,864.57, 7,282.80 and 2,857.19 is: 4,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.57 : 7,282.80 = 2,857.19 : x
  2. Step 2: Convert to fraction form
    4,864.57/7,282.80 = 2,857.19/x
  3. Step 3: Cross multiply
    4,864.57x = 7,282.80 × 2,857.19
  4. Step 4: Simplify right side
    4,864.57x = 20,808,306.92
  5. Step 5: Solve for x
    x = 20,808,306.92/4,864.57
  6. Step 6: Final answer
    x = 4,277.52

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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.