Home / 7,011.45-10,518.85-2,013.89

Finding the Fourth Proportional to 7,011.45, 10,518.85 and 2,013.89

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Solution

The fourth proportional to 7,011.45, 10,518.85 and 2,013.89 is: 3,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.45 : 10,518.85 = 2,013.89 : x
  2. Step 2: Convert to fraction form
    7,011.45/10,518.85 = 2,013.89/x
  3. Step 3: Cross multiply
    7,011.45x = 10,518.85 × 2,013.89
  4. Step 4: Simplify right side
    7,011.45x = 21,183,806.83
  5. Step 5: Solve for x
    x = 21,183,806.83/7,011.45
  6. Step 6: Final answer
    x = 3,021.32

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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.