Home / 5,431.59-8,147.45-1,733.80

Finding the Fourth Proportional to 5,431.59, 8,147.45 and 1,733.80

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Solution

The fourth proportional to 5,431.59, 8,147.45 and 1,733.80 is: 2,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.59 : 8,147.45 = 1,733.80 : x
  2. Step 2: Convert to fraction form
    5,431.59/8,147.45 = 1,733.80/x
  3. Step 3: Cross multiply
    5,431.59x = 8,147.45 × 1,733.80
  4. Step 4: Simplify right side
    5,431.59x = 14,126,048.81
  5. Step 5: Solve for x
    x = 14,126,048.81/5,431.59
  6. Step 6: Final answer
    x = 2,600.72

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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.