Home / 7,814.27-10,783.26-4,276.79

Finding the Fourth Proportional to 7,814.27, 10,783.26 and 4,276.79

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Solution

The fourth proportional to 7,814.27, 10,783.26 and 4,276.79 is: 5,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.27 : 10,783.26 = 4,276.79 : x
  2. Step 2: Convert to fraction form
    7,814.27/10,783.26 = 4,276.79/x
  3. Step 3: Cross multiply
    7,814.27x = 10,783.26 × 4,276.79
  4. Step 4: Simplify right side
    7,814.27x = 46,117,684.62
  5. Step 5: Solve for x
    x = 46,117,684.62/7,814.27
  6. Step 6: Final answer
    x = 5,901.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.