Home / 6,686.63-10,033.26-2,987.87

Finding the Fourth Proportional to 6,686.63, 10,033.26 and 2,987.87

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Solution

The fourth proportional to 6,686.63, 10,033.26 and 2,987.87 is: 4,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.63 : 10,033.26 = 2,987.87 : x
  2. Step 2: Convert to fraction form
    6,686.63/10,033.26 = 2,987.87/x
  3. Step 3: Cross multiply
    6,686.63x = 10,033.26 × 2,987.87
  4. Step 4: Simplify right side
    6,686.63x = 29,978,026.39
  5. Step 5: Solve for x
    x = 29,978,026.39/6,686.63
  6. Step 6: Final answer
    x = 4,483.28

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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.