Home / 8,946.85-13,423.80-3,401.66

Finding the Fourth Proportional to 8,946.85, 13,423.80 and 3,401.66

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Solution

The fourth proportional to 8,946.85, 13,423.80 and 3,401.66 is: 5,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.85 : 13,423.80 = 3,401.66 : x
  2. Step 2: Convert to fraction form
    8,946.85/13,423.80 = 3,401.66/x
  3. Step 3: Cross multiply
    8,946.85x = 13,423.80 × 3,401.66
  4. Step 4: Simplify right side
    8,946.85x = 45,663,203.51
  5. Step 5: Solve for x
    x = 45,663,203.51/8,946.85
  6. Step 6: Final answer
    x = 5,103.83

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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.