Home / 8,705.09-13,057.68-3,706.76

Finding the Fourth Proportional to 8,705.09, 13,057.68 and 3,706.76

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Solution

The fourth proportional to 8,705.09, 13,057.68 and 3,706.76 is: 5,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.09 : 13,057.68 = 3,706.76 : x
  2. Step 2: Convert to fraction form
    8,705.09/13,057.68 = 3,706.76/x
  3. Step 3: Cross multiply
    8,705.09x = 13,057.68 × 3,706.76
  4. Step 4: Simplify right side
    8,705.09x = 48,401,707.98
  5. Step 5: Solve for x
    x = 48,401,707.98/8,705.09
  6. Step 6: Final answer
    x = 5,560.16

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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.