Home / 5,885.15-8,120.99-3,494.94

Finding the Fourth Proportional to 5,885.15, 8,120.99 and 3,494.94

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Solution

The fourth proportional to 5,885.15, 8,120.99 and 3,494.94 is: 4,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.15 : 8,120.99 = 3,494.94 : x
  2. Step 2: Convert to fraction form
    5,885.15/8,120.99 = 3,494.94/x
  3. Step 3: Cross multiply
    5,885.15x = 8,120.99 × 3,494.94
  4. Step 4: Simplify right side
    5,885.15x = 28,382,372.79
  5. Step 5: Solve for x
    x = 28,382,372.79/5,885.15
  6. Step 6: Final answer
    x = 4,822.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.