Home / 7,631.65-11,443.90-2,953.87

Finding the Fourth Proportional to 7,631.65, 11,443.90 and 2,953.87

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Solution

The fourth proportional to 7,631.65, 11,443.90 and 2,953.87 is: 4,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.65 : 11,443.90 = 2,953.87 : x
  2. Step 2: Convert to fraction form
    7,631.65/11,443.90 = 2,953.87/x
  3. Step 3: Cross multiply
    7,631.65x = 11,443.90 × 2,953.87
  4. Step 4: Simplify right side
    7,631.65x = 33,803,792.89
  5. Step 5: Solve for x
    x = 33,803,792.89/7,631.65
  6. Step 6: Final answer
    x = 4,429.42

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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.