Home / 8,106.84-12,160.95-2,558.70

Finding the Fourth Proportional to 8,106.84, 12,160.95 and 2,558.70

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Solution

The fourth proportional to 8,106.84, 12,160.95 and 2,558.70 is: 3,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.84 : 12,160.95 = 2,558.70 : x
  2. Step 2: Convert to fraction form
    8,106.84/12,160.95 = 2,558.70/x
  3. Step 3: Cross multiply
    8,106.84x = 12,160.95 × 2,558.70
  4. Step 4: Simplify right side
    8,106.84x = 31,116,222.77
  5. Step 5: Solve for x
    x = 31,116,222.77/8,106.84
  6. Step 6: Final answer
    x = 3,838.27

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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.