Home / 4,713.87-7,071.96-1,426.78

Finding the Fourth Proportional to 4,713.87, 7,071.96 and 1,426.78

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Solution

The fourth proportional to 4,713.87, 7,071.96 and 1,426.78 is: 2,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.87 : 7,071.96 = 1,426.78 : x
  2. Step 2: Convert to fraction form
    4,713.87/7,071.96 = 1,426.78/x
  3. Step 3: Cross multiply
    4,713.87x = 7,071.96 × 1,426.78
  4. Step 4: Simplify right side
    4,713.87x = 10,090,131.09
  5. Step 5: Solve for x
    x = 10,090,131.09/4,713.87
  6. Step 6: Final answer
    x = 2,140.52

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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.