Home / 5,158.37-7,739.73-2,528.20

Finding the Fourth Proportional to 5,158.37, 7,739.73 and 2,528.20

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Solution

The fourth proportional to 5,158.37, 7,739.73 and 2,528.20 is: 3,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.37 : 7,739.73 = 2,528.20 : x
  2. Step 2: Convert to fraction form
    5,158.37/7,739.73 = 2,528.20/x
  3. Step 3: Cross multiply
    5,158.37x = 7,739.73 × 2,528.20
  4. Step 4: Simplify right side
    5,158.37x = 19,567,585.39
  5. Step 5: Solve for x
    x = 19,567,585.39/5,158.37
  6. Step 6: Final answer
    x = 3,793.37

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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.