Home / 7,073.39-10,611.23-2,142.63

Finding the Fourth Proportional to 7,073.39, 10,611.23 and 2,142.63

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Solution

The fourth proportional to 7,073.39, 10,611.23 and 2,142.63 is: 3,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.39 : 10,611.23 = 2,142.63 : x
  2. Step 2: Convert to fraction form
    7,073.39/10,611.23 = 2,142.63/x
  3. Step 3: Cross multiply
    7,073.39x = 10,611.23 × 2,142.63
  4. Step 4: Simplify right side
    7,073.39x = 22,735,929.02
  5. Step 5: Solve for x
    x = 22,735,929.02/7,073.39
  6. Step 6: Final answer
    x = 3,214.29

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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.