Home / 8,504.40-12,733.56-4,391.76

Finding the Fourth Proportional to 8,504.40, 12,733.56 and 4,391.76

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Solution

The fourth proportional to 8,504.40, 12,733.56 and 4,391.76 is: 6,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.40 : 12,733.56 = 4,391.76 : x
  2. Step 2: Convert to fraction form
    8,504.40/12,733.56 = 4,391.76/x
  3. Step 3: Cross multiply
    8,504.40x = 12,733.56 × 4,391.76
  4. Step 4: Simplify right side
    8,504.40x = 55,922,739.47
  5. Step 5: Solve for x
    x = 55,922,739.47/8,504.40
  6. Step 6: Final answer
    x = 6,575.74

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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.