Home / 8,133.15-12,199.59-2,586.84

Finding the Fourth Proportional to 8,133.15, 12,199.59 and 2,586.84

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Solution

The fourth proportional to 8,133.15, 12,199.59 and 2,586.84 is: 3,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.15 : 12,199.59 = 2,586.84 : x
  2. Step 2: Convert to fraction form
    8,133.15/12,199.59 = 2,586.84/x
  3. Step 3: Cross multiply
    8,133.15x = 12,199.59 × 2,586.84
  4. Step 4: Simplify right side
    8,133.15x = 31,558,387.40
  5. Step 5: Solve for x
    x = 31,558,387.40/8,133.15
  6. Step 6: Final answer
    x = 3,880.22

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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.