Home / 4,929.80-7,411.76-3,962.64

Finding the Fourth Proportional to 4,929.80, 7,411.76 and 3,962.64

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Solution

The fourth proportional to 4,929.80, 7,411.76 and 3,962.64 is: 5,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.80 : 7,411.76 = 3,962.64 : x
  2. Step 2: Convert to fraction form
    4,929.80/7,411.76 = 3,962.64/x
  3. Step 3: Cross multiply
    4,929.80x = 7,411.76 × 3,962.64
  4. Step 4: Simplify right side
    4,929.80x = 29,370,136.65
  5. Step 5: Solve for x
    x = 29,370,136.65/4,929.80
  6. Step 6: Final answer
    x = 5,957.67

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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.