Home / 6,123.85-8,450.65-3,434.92

Finding the Fourth Proportional to 6,123.85, 8,450.65 and 3,434.92

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Solution

The fourth proportional to 6,123.85, 8,450.65 and 3,434.92 is: 4,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.85 : 8,450.65 = 3,434.92 : x
  2. Step 2: Convert to fraction form
    6,123.85/8,450.65 = 3,434.92/x
  3. Step 3: Cross multiply
    6,123.85x = 8,450.65 × 3,434.92
  4. Step 4: Simplify right side
    6,123.85x = 29,027,306.70
  5. Step 5: Solve for x
    x = 29,027,306.70/6,123.85
  6. Step 6: Final answer
    x = 4,740.04

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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.