Home / 8,401.23-12,600.77-3,470.21

Finding the Fourth Proportional to 8,401.23, 12,600.77 and 3,470.21

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Solution

The fourth proportional to 8,401.23, 12,600.77 and 3,470.21 is: 5,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.23 : 12,600.77 = 3,470.21 : x
  2. Step 2: Convert to fraction form
    8,401.23/12,600.77 = 3,470.21/x
  3. Step 3: Cross multiply
    8,401.23x = 12,600.77 × 3,470.21
  4. Step 4: Simplify right side
    8,401.23x = 43,727,237.71
  5. Step 5: Solve for x
    x = 43,727,237.71/8,401.23
  6. Step 6: Final answer
    x = 5,204.86

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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.