Home / 8,401.08-12,607.20-3,206.76

Finding the Fourth Proportional to 8,401.08, 12,607.20 and 3,206.76

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Solution

The fourth proportional to 8,401.08, 12,607.20 and 3,206.76 is: 4,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.08 : 12,607.20 = 3,206.76 : x
  2. Step 2: Convert to fraction form
    8,401.08/12,607.20 = 3,206.76/x
  3. Step 3: Cross multiply
    8,401.08x = 12,607.20 × 3,206.76
  4. Step 4: Simplify right side
    8,401.08x = 40,428,264.67
  5. Step 5: Solve for x
    x = 40,428,264.67/8,401.08
  6. Step 6: Final answer
    x = 4,812.27

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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.