Home / 4,712.91-7,071.21-1,426.34

Finding the Fourth Proportional to 4,712.91, 7,071.21 and 1,426.34

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Solution

The fourth proportional to 4,712.91, 7,071.21 and 1,426.34 is: 2,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.91 : 7,071.21 = 1,426.34 : x
  2. Step 2: Convert to fraction form
    4,712.91/7,071.21 = 1,426.34/x
  3. Step 3: Cross multiply
    4,712.91x = 7,071.21 × 1,426.34
  4. Step 4: Simplify right side
    4,712.91x = 10,085,914.32
  5. Step 5: Solve for x
    x = 10,085,914.32/4,712.91
  6. Step 6: Final answer
    x = 2,140.06

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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.