Home / 5,087.94-7,021.98-3,098.79

Finding the Fourth Proportional to 5,087.94, 7,021.98 and 3,098.79

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Solution

The fourth proportional to 5,087.94, 7,021.98 and 3,098.79 is: 4,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.94 : 7,021.98 = 3,098.79 : x
  2. Step 2: Convert to fraction form
    5,087.94/7,021.98 = 3,098.79/x
  3. Step 3: Cross multiply
    5,087.94x = 7,021.98 × 3,098.79
  4. Step 4: Simplify right side
    5,087.94x = 21,759,606.29
  5. Step 5: Solve for x
    x = 21,759,606.29/5,087.94
  6. Step 6: Final answer
    x = 4,276.70

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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.