Home / 8,619.15-12,926.91-3,937.83

Finding the Fourth Proportional to 8,619.15, 12,926.91 and 3,937.83

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Solution

The fourth proportional to 8,619.15, 12,926.91 and 3,937.83 is: 5,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.15 : 12,926.91 = 3,937.83 : x
  2. Step 2: Convert to fraction form
    8,619.15/12,926.91 = 3,937.83/x
  3. Step 3: Cross multiply
    8,619.15x = 12,926.91 × 3,937.83
  4. Step 4: Simplify right side
    8,619.15x = 50,903,974.01
  5. Step 5: Solve for x
    x = 50,903,974.01/8,619.15
  6. Step 6: Final answer
    x = 5,905.92

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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.