Home / 5,089.91-7,636.50-1,802.25

Finding the Fourth Proportional to 5,089.91, 7,636.50 and 1,802.25

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Solution

The fourth proportional to 5,089.91, 7,636.50 and 1,802.25 is: 2,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.91 : 7,636.50 = 1,802.25 : x
  2. Step 2: Convert to fraction form
    5,089.91/7,636.50 = 1,802.25/x
  3. Step 3: Cross multiply
    5,089.91x = 7,636.50 × 1,802.25
  4. Step 4: Simplify right side
    5,089.91x = 13,762,882.13
  5. Step 5: Solve for x
    x = 13,762,882.13/5,089.91
  6. Step 6: Final answer
    x = 2,703.96

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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.