Home / 7,087.86-10,633.08-2,156.94

Finding the Fourth Proportional to 7,087.86, 10,633.08 and 2,156.94

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Solution

The fourth proportional to 7,087.86, 10,633.08 and 2,156.94 is: 3,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.86 : 10,633.08 = 2,156.94 : x
  2. Step 2: Convert to fraction form
    7,087.86/10,633.08 = 2,156.94/x
  3. Step 3: Cross multiply
    7,087.86x = 10,633.08 × 2,156.94
  4. Step 4: Simplify right side
    7,087.86x = 22,934,915.58
  5. Step 5: Solve for x
    x = 22,934,915.58/7,087.86
  6. Step 6: Final answer
    x = 3,235.80

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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.