Home / 7,690.32-11,525.67-3,742.52

Finding the Fourth Proportional to 7,690.32, 11,525.67 and 3,742.52

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Solution

The fourth proportional to 7,690.32, 11,525.67 and 3,742.52 is: 5,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.32 : 11,525.67 = 3,742.52 : x
  2. Step 2: Convert to fraction form
    7,690.32/11,525.67 = 3,742.52/x
  3. Step 3: Cross multiply
    7,690.32x = 11,525.67 × 3,742.52
  4. Step 4: Simplify right side
    7,690.32x = 43,134,992.86
  5. Step 5: Solve for x
    x = 43,134,992.86/7,690.32
  6. Step 6: Final answer
    x = 5,609.00

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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.