Home / 5,391.70-8,080.68-2,426.96

Finding the Fourth Proportional to 5,391.70, 8,080.68 and 2,426.96

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Solution

The fourth proportional to 5,391.70, 8,080.68 and 2,426.96 is: 3,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.70 : 8,080.68 = 2,426.96 : x
  2. Step 2: Convert to fraction form
    5,391.70/8,080.68 = 2,426.96/x
  3. Step 3: Cross multiply
    5,391.70x = 8,080.68 × 2,426.96
  4. Step 4: Simplify right side
    5,391.70x = 19,611,487.13
  5. Step 5: Solve for x
    x = 19,611,487.13/5,391.70
  6. Step 6: Final answer
    x = 3,637.35

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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.