Home / 8,135.03-12,203.36-3,753.74

Finding the Fourth Proportional to 8,135.03, 12,203.36 and 3,753.74

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Solution

The fourth proportional to 8,135.03, 12,203.36 and 3,753.74 is: 5,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.03 : 12,203.36 = 3,753.74 : x
  2. Step 2: Convert to fraction form
    8,135.03/12,203.36 = 3,753.74/x
  3. Step 3: Cross multiply
    8,135.03x = 12,203.36 × 3,753.74
  4. Step 4: Simplify right side
    8,135.03x = 45,808,266.38
  5. Step 5: Solve for x
    x = 45,808,266.38/8,135.03
  6. Step 6: Final answer
    x = 5,630.99

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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.