Home / 5,434.56-8,154.72-4,143.84

Finding the Fourth Proportional to 5,434.56, 8,154.72 and 4,143.84

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Solution

The fourth proportional to 5,434.56, 8,154.72 and 4,143.84 is: 6,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.56 : 8,154.72 = 4,143.84 : x
  2. Step 2: Convert to fraction form
    5,434.56/8,154.72 = 4,143.84/x
  3. Step 3: Cross multiply
    5,434.56x = 8,154.72 × 4,143.84
  4. Step 4: Simplify right side
    5,434.56x = 33,791,854.92
  5. Step 5: Solve for x
    x = 33,791,854.92/5,434.56
  6. Step 6: Final answer
    x = 6,217.96

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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.