Home / 6,386.73-9,581.93-2,687.06

Finding the Fourth Proportional to 6,386.73, 9,581.93 and 2,687.06

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Solution

The fourth proportional to 6,386.73, 9,581.93 and 2,687.06 is: 4,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.73 : 9,581.93 = 2,687.06 : x
  2. Step 2: Convert to fraction form
    6,386.73/9,581.93 = 2,687.06/x
  3. Step 3: Cross multiply
    6,386.73x = 9,581.93 × 2,687.06
  4. Step 4: Simplify right side
    6,386.73x = 25,747,159.48
  5. Step 5: Solve for x
    x = 25,747,159.48/6,386.73
  6. Step 6: Final answer
    x = 4,031.35

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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.