Home / 7,141.21-10,712.27-2,210.43

Finding the Fourth Proportional to 7,141.21, 10,712.27 and 2,210.43

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Solution

The fourth proportional to 7,141.21, 10,712.27 and 2,210.43 is: 3,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.21 : 10,712.27 = 2,210.43 : x
  2. Step 2: Convert to fraction form
    7,141.21/10,712.27 = 2,210.43/x
  3. Step 3: Cross multiply
    7,141.21x = 10,712.27 × 2,210.43
  4. Step 4: Simplify right side
    7,141.21x = 23,678,722.98
  5. Step 5: Solve for x
    x = 23,678,722.98/7,141.21
  6. Step 6: Final answer
    x = 3,315.79

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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.