Home / 5,762.07-8,636.09-2,987.21

Finding the Fourth Proportional to 5,762.07, 8,636.09 and 2,987.21

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Solution

The fourth proportional to 5,762.07, 8,636.09 and 2,987.21 is: 4,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.07 : 8,636.09 = 2,987.21 : x
  2. Step 2: Convert to fraction form
    5,762.07/8,636.09 = 2,987.21/x
  3. Step 3: Cross multiply
    5,762.07x = 8,636.09 × 2,987.21
  4. Step 4: Simplify right side
    5,762.07x = 25,797,821.06
  5. Step 5: Solve for x
    x = 25,797,821.06/5,762.07
  6. Step 6: Final answer
    x = 4,477.18

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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.