Home / 6,387.18-9,577.77-2,687.35

Finding the Fourth Proportional to 6,387.18, 9,577.77 and 2,687.35

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Solution

The fourth proportional to 6,387.18, 9,577.77 and 2,687.35 is: 4,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.18 : 9,577.77 = 2,687.35 : x
  2. Step 2: Convert to fraction form
    6,387.18/9,577.77 = 2,687.35/x
  3. Step 3: Cross multiply
    6,387.18x = 9,577.77 × 2,687.35
  4. Step 4: Simplify right side
    6,387.18x = 25,738,838.64
  5. Step 5: Solve for x
    x = 25,738,838.64/6,387.18
  6. Step 6: Final answer
    x = 4,029.77

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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.