Home / 8,103.08-12,152.27-3,424.14

Finding the Fourth Proportional to 8,103.08, 12,152.27 and 3,424.14

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Solution

The fourth proportional to 8,103.08, 12,152.27 and 3,424.14 is: 5,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.08 : 12,152.27 = 3,424.14 : x
  2. Step 2: Convert to fraction form
    8,103.08/12,152.27 = 3,424.14/x
  3. Step 3: Cross multiply
    8,103.08x = 12,152.27 × 3,424.14
  4. Step 4: Simplify right side
    8,103.08x = 41,611,082.36
  5. Step 5: Solve for x
    x = 41,611,082.36/8,103.08
  6. Step 6: Final answer
    x = 5,135.22

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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.