Home / 7,409.86-11,114.82-2,730.28

Finding the Fourth Proportional to 7,409.86, 11,114.82 and 2,730.28

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Solution

The fourth proportional to 7,409.86, 11,114.82 and 2,730.28 is: 4,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.86 : 11,114.82 = 2,730.28 : x
  2. Step 2: Convert to fraction form
    7,409.86/11,114.82 = 2,730.28/x
  3. Step 3: Cross multiply
    7,409.86x = 11,114.82 × 2,730.28
  4. Step 4: Simplify right side
    7,409.86x = 30,346,570.75
  5. Step 5: Solve for x
    x = 30,346,570.75/7,409.86
  6. Step 6: Final answer
    x = 4,095.43

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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.