Home / 5,087.66-7,021.79-3,492.98

Finding the Fourth Proportional to 5,087.66, 7,021.79 and 3,492.98

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Solution

The fourth proportional to 5,087.66, 7,021.79 and 3,492.98 is: 4,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.66 : 7,021.79 = 3,492.98 : x
  2. Step 2: Convert to fraction form
    5,087.66/7,021.79 = 3,492.98/x
  3. Step 3: Cross multiply
    5,087.66x = 7,021.79 × 3,492.98
  4. Step 4: Simplify right side
    5,087.66x = 24,526,978.54
  5. Step 5: Solve for x
    x = 24,526,978.54/5,087.66
  6. Step 6: Final answer
    x = 4,820.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.