Home / 8,341.36-12,516.63-3,414.45

Finding the Fourth Proportional to 8,341.36, 12,516.63 and 3,414.45

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Solution

The fourth proportional to 8,341.36, 12,516.63 and 3,414.45 is: 5,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.36 : 12,516.63 = 3,414.45 : x
  2. Step 2: Convert to fraction form
    8,341.36/12,516.63 = 3,414.45/x
  3. Step 3: Cross multiply
    8,341.36x = 12,516.63 × 3,414.45
  4. Step 4: Simplify right side
    8,341.36x = 42,737,407.30
  5. Step 5: Solve for x
    x = 42,737,407.30/8,341.36
  6. Step 6: Final answer
    x = 5,123.56

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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.