Home / 7,087.29-10,630.94-2,156.82

Finding the Fourth Proportional to 7,087.29, 10,630.94 and 2,156.82

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Solution

The fourth proportional to 7,087.29, 10,630.94 and 2,156.82 is: 3,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.29 : 10,630.94 = 2,156.82 : x
  2. Step 2: Convert to fraction form
    7,087.29/10,630.94 = 2,156.82/x
  3. Step 3: Cross multiply
    7,087.29x = 10,630.94 × 2,156.82
  4. Step 4: Simplify right side
    7,087.29x = 22,929,013.23
  5. Step 5: Solve for x
    x = 22,929,013.23/7,087.29
  6. Step 6: Final answer
    x = 3,235.23

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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.