Home / 5,431.28-8,146.80-1,733.45

Finding the Fourth Proportional to 5,431.28, 8,146.80 and 1,733.45

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Solution

The fourth proportional to 5,431.28, 8,146.80 and 1,733.45 is: 2,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.28 : 8,146.80 = 1,733.45 : x
  2. Step 2: Convert to fraction form
    5,431.28/8,146.80 = 1,733.45/x
  3. Step 3: Cross multiply
    5,431.28x = 8,146.80 × 1,733.45
  4. Step 4: Simplify right side
    5,431.28x = 14,122,029.73
  5. Step 5: Solve for x
    x = 14,122,029.73/5,431.28
  6. Step 6: Final answer
    x = 2,600.13

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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.