Home / 5,424.34-8,142.98-3,234.10

Finding the Fourth Proportional to 5,424.34, 8,142.98 and 3,234.10

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Solution

The fourth proportional to 5,424.34, 8,142.98 and 3,234.10 is: 4,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.34 : 8,142.98 = 3,234.10 : x
  2. Step 2: Convert to fraction form
    5,424.34/8,142.98 = 3,234.10/x
  3. Step 3: Cross multiply
    5,424.34x = 8,142.98 × 3,234.10
  4. Step 4: Simplify right side
    5,424.34x = 26,335,211.62
  5. Step 5: Solve for x
    x = 26,335,211.62/5,424.34
  6. Step 6: Final answer
    x = 4,855.01

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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.