Home / 5,397.69-8,089.25-2,802.45

Finding the Fourth Proportional to 5,397.69, 8,089.25 and 2,802.45

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Solution

The fourth proportional to 5,397.69, 8,089.25 and 2,802.45 is: 4,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.69 : 8,089.25 = 2,802.45 : x
  2. Step 2: Convert to fraction form
    5,397.69/8,089.25 = 2,802.45/x
  3. Step 3: Cross multiply
    5,397.69x = 8,089.25 × 2,802.45
  4. Step 4: Simplify right side
    5,397.69x = 22,669,704.65
  5. Step 5: Solve for x
    x = 22,669,704.65/5,397.69
  6. Step 6: Final answer
    x = 4,199.89

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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.