Home / 6,103.36-8,421.96-3,414.70

Finding the Fourth Proportional to 6,103.36, 8,421.96 and 3,414.70

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Solution

The fourth proportional to 6,103.36, 8,421.96 and 3,414.70 is: 4,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.36 : 8,421.96 = 3,414.70 : x
  2. Step 2: Convert to fraction form
    6,103.36/8,421.96 = 3,414.70/x
  3. Step 3: Cross multiply
    6,103.36x = 8,421.96 × 3,414.70
  4. Step 4: Simplify right side
    6,103.36x = 28,758,466.81
  5. Step 5: Solve for x
    x = 28,758,466.81/6,103.36
  6. Step 6: Final answer
    x = 4,711.91

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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.