Home / 7,368.57-11,052.65-1,821.89

Finding the Fourth Proportional to 7,368.57, 11,052.65 and 1,821.89

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Solution

The fourth proportional to 7,368.57, 11,052.65 and 1,821.89 is: 2,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.57 : 11,052.65 = 1,821.89 : x
  2. Step 2: Convert to fraction form
    7,368.57/11,052.65 = 1,821.89/x
  3. Step 3: Cross multiply
    7,368.57x = 11,052.65 × 1,821.89
  4. Step 4: Simplify right side
    7,368.57x = 20,136,744.69
  5. Step 5: Solve for x
    x = 20,136,744.69/7,368.57
  6. Step 6: Final answer
    x = 2,732.79

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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.