Home / 6,145.89-9,210.06-2,631.03

Finding the Fourth Proportional to 6,145.89, 9,210.06 and 2,631.03

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Solution

The fourth proportional to 6,145.89, 9,210.06 and 2,631.03 is: 3,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.89 : 9,210.06 = 2,631.03 : x
  2. Step 2: Convert to fraction form
    6,145.89/9,210.06 = 2,631.03/x
  3. Step 3: Cross multiply
    6,145.89x = 9,210.06 × 2,631.03
  4. Step 4: Simplify right side
    6,145.89x = 24,231,944.16
  5. Step 5: Solve for x
    x = 24,231,944.16/6,145.89
  6. Step 6: Final answer
    x = 3,942.79

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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.