Home / 5,321.15-7,980.44-2,357.96

Finding the Fourth Proportional to 5,321.15, 7,980.44 and 2,357.96

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Solution

The fourth proportional to 5,321.15, 7,980.44 and 2,357.96 is: 3,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.15 : 7,980.44 = 2,357.96 : x
  2. Step 2: Convert to fraction form
    5,321.15/7,980.44 = 2,357.96/x
  3. Step 3: Cross multiply
    5,321.15x = 7,980.44 × 2,357.96
  4. Step 4: Simplify right side
    5,321.15x = 18,817,558.30
  5. Step 5: Solve for x
    x = 18,817,558.30/5,321.15
  6. Step 6: Final answer
    x = 3,536.37

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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.