Home / 7,539.42-11,309.67-1,992.69

Finding the Fourth Proportional to 7,539.42, 11,309.67 and 1,992.69

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Solution

The fourth proportional to 7,539.42, 11,309.67 and 1,992.69 is: 2,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.42 : 11,309.67 = 1,992.69 : x
  2. Step 2: Convert to fraction form
    7,539.42/11,309.67 = 1,992.69/x
  3. Step 3: Cross multiply
    7,539.42x = 11,309.67 × 1,992.69
  4. Step 4: Simplify right side
    7,539.42x = 22,536,666.31
  5. Step 5: Solve for x
    x = 22,536,666.31/7,539.42
  6. Step 6: Final answer
    x = 2,989.18

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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.