Home / 5,431.40-8,146.94-1,733.86

Finding the Fourth Proportional to 5,431.40, 8,146.94 and 1,733.86

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Solution

The fourth proportional to 5,431.40, 8,146.94 and 1,733.86 is: 2,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.40 : 8,146.94 = 1,733.86 : x
  2. Step 2: Convert to fraction form
    5,431.40/8,146.94 = 1,733.86/x
  3. Step 3: Cross multiply
    5,431.40x = 8,146.94 × 1,733.86
  4. Step 4: Simplify right side
    5,431.40x = 14,125,653.39
  5. Step 5: Solve for x
    x = 14,125,653.39/5,431.40
  6. Step 6: Final answer
    x = 2,600.74

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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.