Home / 5,411.05-8,117.43-2,291.07

Finding the Fourth Proportional to 5,411.05, 8,117.43 and 2,291.07

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Solution

The fourth proportional to 5,411.05, 8,117.43 and 2,291.07 is: 3,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.05 : 8,117.43 = 2,291.07 : x
  2. Step 2: Convert to fraction form
    5,411.05/8,117.43 = 2,291.07/x
  3. Step 3: Cross multiply
    5,411.05x = 8,117.43 × 2,291.07
  4. Step 4: Simplify right side
    5,411.05x = 18,597,614.92
  5. Step 5: Solve for x
    x = 18,597,614.92/5,411.05
  6. Step 6: Final answer
    x = 3,436.97

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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.