Home / 4,853.28-7,279.68-1,774.56

Finding the Fourth Proportional to 4,853.28, 7,279.68 and 1,774.56

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Solution

The fourth proportional to 4,853.28, 7,279.68 and 1,774.56 is: 2,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.28 : 7,279.68 = 1,774.56 : x
  2. Step 2: Convert to fraction form
    4,853.28/7,279.68 = 1,774.56/x
  3. Step 3: Cross multiply
    4,853.28x = 7,279.68 × 1,774.56
  4. Step 4: Simplify right side
    4,853.28x = 12,918,228.94
  5. Step 5: Solve for x
    x = 12,918,228.94/4,853.28
  6. Step 6: Final answer
    x = 2,661.75

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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.