Home / 6,553.76-9,043.68-3,901.76

Finding the Fourth Proportional to 6,553.76, 9,043.68 and 3,901.76

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Solution

The fourth proportional to 6,553.76, 9,043.68 and 3,901.76 is: 5,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.76 : 9,043.68 = 3,901.76 : x
  2. Step 2: Convert to fraction form
    6,553.76/9,043.68 = 3,901.76/x
  3. Step 3: Cross multiply
    6,553.76x = 9,043.68 × 3,901.76
  4. Step 4: Simplify right side
    6,553.76x = 35,286,268.88
  5. Step 5: Solve for x
    x = 35,286,268.88/6,553.76
  6. Step 6: Final answer
    x = 5,384.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.