Home / 8,604.14-12,894.87-3,407.18

Finding the Fourth Proportional to 8,604.14, 12,894.87 and 3,407.18

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Solution

The fourth proportional to 8,604.14, 12,894.87 and 3,407.18 is: 5,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.14 : 12,894.87 = 3,407.18 : x
  2. Step 2: Convert to fraction form
    8,604.14/12,894.87 = 3,407.18/x
  3. Step 3: Cross multiply
    8,604.14x = 12,894.87 × 3,407.18
  4. Step 4: Simplify right side
    8,604.14x = 43,935,143.17
  5. Step 5: Solve for x
    x = 43,935,143.17/8,604.14
  6. Step 6: Final answer
    x = 5,106.28

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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.