Home / 7,162.86-10,740.75-2,945.34

Finding the Fourth Proportional to 7,162.86, 10,740.75 and 2,945.34

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Solution

The fourth proportional to 7,162.86, 10,740.75 and 2,945.34 is: 4,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.86 : 10,740.75 = 2,945.34 : x
  2. Step 2: Convert to fraction form
    7,162.86/10,740.75 = 2,945.34/x
  3. Step 3: Cross multiply
    7,162.86x = 10,740.75 × 2,945.34
  4. Step 4: Simplify right side
    7,162.86x = 31,635,135.92
  5. Step 5: Solve for x
    x = 31,635,135.92/7,162.86
  6. Step 6: Final answer
    x = 4,416.55

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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.