Home / 8,761.47-13,147.85-3,495.59

Finding the Fourth Proportional to 8,761.47, 13,147.85 and 3,495.59

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Solution

The fourth proportional to 8,761.47, 13,147.85 and 3,495.59 is: 5,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.47 : 13,147.85 = 3,495.59 : x
  2. Step 2: Convert to fraction form
    8,761.47/13,147.85 = 3,495.59/x
  3. Step 3: Cross multiply
    8,761.47x = 13,147.85 × 3,495.59
  4. Step 4: Simplify right side
    8,761.47x = 45,959,492.98
  5. Step 5: Solve for x
    x = 45,959,492.98/8,761.47
  6. Step 6: Final answer
    x = 5,245.64

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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.