Home / 5,084.40-7,621.42-2,160.84

Finding the Fourth Proportional to 5,084.40, 7,621.42 and 2,160.84

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Solution

The fourth proportional to 5,084.40, 7,621.42 and 2,160.84 is: 3,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.40 : 7,621.42 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    5,084.40/7,621.42 = 2,160.84/x
  3. Step 3: Cross multiply
    5,084.40x = 7,621.42 × 2,160.84
  4. Step 4: Simplify right side
    5,084.40x = 16,468,669.19
  5. Step 5: Solve for x
    x = 16,468,669.19/5,084.40
  6. Step 6: Final answer
    x = 3,239.06

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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.