Home / 5,274.68-7,279.79-3,036.50

Finding the Fourth Proportional to 5,274.68, 7,279.79 and 3,036.50

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Solution

The fourth proportional to 5,274.68, 7,279.79 and 3,036.50 is: 4,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.68 : 7,279.79 = 3,036.50 : x
  2. Step 2: Convert to fraction form
    5,274.68/7,279.79 = 3,036.50/x
  3. Step 3: Cross multiply
    5,274.68x = 7,279.79 × 3,036.50
  4. Step 4: Simplify right side
    5,274.68x = 22,105,030.75
  5. Step 5: Solve for x
    x = 22,105,030.75/5,274.68
  6. Step 6: Final answer
    x = 4,190.79

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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.