Home / 9,082.12-13,621.92-2,840.68

Finding the Fourth Proportional to 9,082.12, 13,621.92 and 2,840.68

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Solution

The fourth proportional to 9,082.12, 13,621.92 and 2,840.68 is: 4,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.12 : 13,621.92 = 2,840.68 : x
  2. Step 2: Convert to fraction form
    9,082.12/13,621.92 = 2,840.68/x
  3. Step 3: Cross multiply
    9,082.12x = 13,621.92 × 2,840.68
  4. Step 4: Simplify right side
    9,082.12x = 38,695,515.71
  5. Step 5: Solve for x
    x = 38,695,515.71/9,082.12
  6. Step 6: Final answer
    x = 4,260.63

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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.