Home / 8,422.06-12,632.37-2,875.54

Finding the Fourth Proportional to 8,422.06, 12,632.37 and 2,875.54

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Solution

The fourth proportional to 8,422.06, 12,632.37 and 2,875.54 is: 4,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.06 : 12,632.37 = 2,875.54 : x
  2. Step 2: Convert to fraction form
    8,422.06/12,632.37 = 2,875.54/x
  3. Step 3: Cross multiply
    8,422.06x = 12,632.37 × 2,875.54
  4. Step 4: Simplify right side
    8,422.06x = 36,324,885.23
  5. Step 5: Solve for x
    x = 36,324,885.23/8,422.06
  6. Step 6: Final answer
    x = 4,313.06

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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.