Home / 5,084.94-7,020.39-3,903.66

Finding the Fourth Proportional to 5,084.94, 7,020.39 and 3,903.66

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Solution

The fourth proportional to 5,084.94, 7,020.39 and 3,903.66 is: 5,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.94 : 7,020.39 = 3,903.66 : x
  2. Step 2: Convert to fraction form
    5,084.94/7,020.39 = 3,903.66/x
  3. Step 3: Cross multiply
    5,084.94x = 7,020.39 × 3,903.66
  4. Step 4: Simplify right side
    5,084.94x = 27,405,215.63
  5. Step 5: Solve for x
    x = 27,405,215.63/5,084.94
  6. Step 6: Final answer
    x = 5,389.49

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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.