Home / 6,520.14-9,755.64-3,877.92

Finding the Fourth Proportional to 6,520.14, 9,755.64 and 3,877.92

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Solution

The fourth proportional to 6,520.14, 9,755.64 and 3,877.92 is: 5,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.14 : 9,755.64 = 3,877.92 : x
  2. Step 2: Convert to fraction form
    6,520.14/9,755.64 = 3,877.92/x
  3. Step 3: Cross multiply
    6,520.14x = 9,755.64 × 3,877.92
  4. Step 4: Simplify right side
    6,520.14x = 37,831,591.47
  5. Step 5: Solve for x
    x = 37,831,591.47/6,520.14
  6. Step 6: Final answer
    x = 5,802.27

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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.