Home / 8,270.66-12,406.06-3,009.40

Finding the Fourth Proportional to 8,270.66, 12,406.06 and 3,009.40

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Solution

The fourth proportional to 8,270.66, 12,406.06 and 3,009.40 is: 4,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.66 : 12,406.06 = 3,009.40 : x
  2. Step 2: Convert to fraction form
    8,270.66/12,406.06 = 3,009.40/x
  3. Step 3: Cross multiply
    8,270.66x = 12,406.06 × 3,009.40
  4. Step 4: Simplify right side
    8,270.66x = 37,334,839.49
  5. Step 5: Solve for x
    x = 37,334,839.49/8,270.66
  6. Step 6: Final answer
    x = 4,514.13

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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.