Home / 5,391.09-8,086.64-2,426.07

Finding the Fourth Proportional to 5,391.09, 8,086.64 and 2,426.07

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Solution

The fourth proportional to 5,391.09, 8,086.64 and 2,426.07 is: 3,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.09 : 8,086.64 = 2,426.07 : x
  2. Step 2: Convert to fraction form
    5,391.09/8,086.64 = 2,426.07/x
  3. Step 3: Cross multiply
    5,391.09x = 8,086.64 × 2,426.07
  4. Step 4: Simplify right side
    5,391.09x = 19,618,754.70
  5. Step 5: Solve for x
    x = 19,618,754.70/5,391.09
  6. Step 6: Final answer
    x = 3,639.11

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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.