Home / 5,272.28-7,274.58-3,177.08

Finding the Fourth Proportional to 5,272.28, 7,274.58 and 3,177.08

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Solution

The fourth proportional to 5,272.28, 7,274.58 and 3,177.08 is: 4,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.28 : 7,274.58 = 3,177.08 : x
  2. Step 2: Convert to fraction form
    5,272.28/7,274.58 = 3,177.08/x
  3. Step 3: Cross multiply
    5,272.28x = 7,274.58 × 3,177.08
  4. Step 4: Simplify right side
    5,272.28x = 23,111,922.63
  5. Step 5: Solve for x
    x = 23,111,922.63/5,272.28
  6. Step 6: Final answer
    x = 4,383.67

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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.