Home / 6,140.92-8,474.08-3,623.14

Finding the Fourth Proportional to 6,140.92, 8,474.08 and 3,623.14

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Solution

The fourth proportional to 6,140.92, 8,474.08 and 3,623.14 is: 4,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.92 : 8,474.08 = 3,623.14 : x
  2. Step 2: Convert to fraction form
    6,140.92/8,474.08 = 3,623.14/x
  3. Step 3: Cross multiply
    6,140.92x = 8,474.08 × 3,623.14
  4. Step 4: Simplify right side
    6,140.92x = 30,702,778.21
  5. Step 5: Solve for x
    x = 30,702,778.21/6,140.92
  6. Step 6: Final answer
    x = 4,999.70

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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.