Home / 8,087.04-12,126.51-2,540.31

Finding the Fourth Proportional to 8,087.04, 12,126.51 and 2,540.31

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Solution

The fourth proportional to 8,087.04, 12,126.51 and 2,540.31 is: 3,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.04 : 12,126.51 = 2,540.31 : x
  2. Step 2: Convert to fraction form
    8,087.04/12,126.51 = 2,540.31/x
  3. Step 3: Cross multiply
    8,087.04x = 12,126.51 × 2,540.31
  4. Step 4: Simplify right side
    8,087.04x = 30,805,117.36
  5. Step 5: Solve for x
    x = 30,805,117.36/8,087.04
  6. Step 6: Final answer
    x = 3,809.20

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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.