Home / 8,638.22-12,958.14-3,444.50

Finding the Fourth Proportional to 8,638.22, 12,958.14 and 3,444.50

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Solution

The fourth proportional to 8,638.22, 12,958.14 and 3,444.50 is: 5,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638.22 : 12,958.14 = 3,444.50 : x
  2. Step 2: Convert to fraction form
    8,638.22/12,958.14 = 3,444.50/x
  3. Step 3: Cross multiply
    8,638.22x = 12,958.14 × 3,444.50
  4. Step 4: Simplify right side
    8,638.22x = 44,634,313.23
  5. Step 5: Solve for x
    x = 44,634,313.23/8,638.22
  6. Step 6: Final answer
    x = 5,167.07

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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.