Home / 5,274.45-7,277.85-3,285.63

Finding the Fourth Proportional to 5,274.45, 7,277.85 and 3,285.63

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Solution

The fourth proportional to 5,274.45, 7,277.85 and 3,285.63 is: 4,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.45 : 7,277.85 = 3,285.63 : x
  2. Step 2: Convert to fraction form
    5,274.45/7,277.85 = 3,285.63/x
  3. Step 3: Cross multiply
    5,274.45x = 7,277.85 × 3,285.63
  4. Step 4: Simplify right side
    5,274.45x = 23,912,322.30
  5. Step 5: Solve for x
    x = 23,912,322.30/5,274.45
  6. Step 6: Final answer
    x = 4,533.61

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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.