Home / 5,376.35-8,066.90-2,089.70

Finding the Fourth Proportional to 5,376.35, 8,066.90 and 2,089.70

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Solution

The fourth proportional to 5,376.35, 8,066.90 and 2,089.70 is: 3,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.35 : 8,066.90 = 2,089.70 : x
  2. Step 2: Convert to fraction form
    5,376.35/8,066.90 = 2,089.70/x
  3. Step 3: Cross multiply
    5,376.35x = 8,066.90 × 2,089.70
  4. Step 4: Simplify right side
    5,376.35x = 16,857,400.93
  5. Step 5: Solve for x
    x = 16,857,400.93/5,376.35
  6. Step 6: Final answer
    x = 3,135.47

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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.