Home / 8,425.13-12,637.63-2,185.12

Finding the Fourth Proportional to 8,425.13, 12,637.63 and 2,185.12

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Solution

The fourth proportional to 8,425.13, 12,637.63 and 2,185.12 is: 3,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.13 : 12,637.63 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    8,425.13/12,637.63 = 2,185.12/x
  3. Step 3: Cross multiply
    8,425.13x = 12,637.63 × 2,185.12
  4. Step 4: Simplify right side
    8,425.13x = 27,614,756.59
  5. Step 5: Solve for x
    x = 27,614,756.59/8,425.13
  6. Step 6: Final answer
    x = 3,277.67

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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.