Home / 5,180.77-7,774.53-2,714.86

Finding the Fourth Proportional to 5,180.77, 7,774.53 and 2,714.86

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Solution

The fourth proportional to 5,180.77, 7,774.53 and 2,714.86 is: 4,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.77 : 7,774.53 = 2,714.86 : x
  2. Step 2: Convert to fraction form
    5,180.77/7,774.53 = 2,714.86/x
  3. Step 3: Cross multiply
    5,180.77x = 7,774.53 × 2,714.86
  4. Step 4: Simplify right side
    5,180.77x = 21,106,760.52
  5. Step 5: Solve for x
    x = 21,106,760.52/5,180.77
  6. Step 6: Final answer
    x = 4,074.06

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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.