Home / 8,082.81-11,155.88-5,246.21

Finding the Fourth Proportional to 8,082.81, 11,155.88 and 5,246.21

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Solution

The fourth proportional to 8,082.81, 11,155.88 and 5,246.21 is: 7,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.81 : 11,155.88 = 5,246.21 : x
  2. Step 2: Convert to fraction form
    8,082.81/11,155.88 = 5,246.21/x
  3. Step 3: Cross multiply
    8,082.81x = 11,155.88 × 5,246.21
  4. Step 4: Simplify right side
    8,082.81x = 58,526,130.22
  5. Step 5: Solve for x
    x = 58,526,130.22/8,082.81
  6. Step 6: Final answer
    x = 7,240.81

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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.