Home / 8,161.34-12,243.90-2,615.06

Finding the Fourth Proportional to 8,161.34, 12,243.90 and 2,615.06

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Solution

The fourth proportional to 8,161.34, 12,243.90 and 2,615.06 is: 3,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.34 : 12,243.90 = 2,615.06 : x
  2. Step 2: Convert to fraction form
    8,161.34/12,243.90 = 2,615.06/x
  3. Step 3: Cross multiply
    8,161.34x = 12,243.90 × 2,615.06
  4. Step 4: Simplify right side
    8,161.34x = 32,018,533.13
  5. Step 5: Solve for x
    x = 32,018,533.13/8,161.34
  6. Step 6: Final answer
    x = 3,923.20

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1.5x scale

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.