Home / 5,714.20-8,585.70-5,080.60

Finding the Fourth Proportional to 5,714.20, 8,585.70 and 5,080.60

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Solution

The fourth proportional to 5,714.20, 8,585.70 and 5,080.60 is: 7,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.20 : 8,585.70 = 5,080.60 : x
  2. Step 2: Convert to fraction form
    5,714.20/8,585.70 = 5,080.60/x
  3. Step 3: Cross multiply
    5,714.20x = 8,585.70 × 5,080.60
  4. Step 4: Simplify right side
    5,714.20x = 43,620,507.42
  5. Step 5: Solve for x
    x = 43,620,507.42/5,714.20
  6. Step 6: Final answer
    x = 7,633.70

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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.