Home / 4,720.56-7,080.57-2,257.08

Finding the Fourth Proportional to 4,720.56, 7,080.57 and 2,257.08

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Solution

The fourth proportional to 4,720.56, 7,080.57 and 2,257.08 is: 3,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.56 : 7,080.57 = 2,257.08 : x
  2. Step 2: Convert to fraction form
    4,720.56/7,080.57 = 2,257.08/x
  3. Step 3: Cross multiply
    4,720.56x = 7,080.57 × 2,257.08
  4. Step 4: Simplify right side
    4,720.56x = 15,981,412.94
  5. Step 5: Solve for x
    x = 15,981,412.94/4,720.56
  6. Step 6: Final answer
    x = 3,385.49

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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.