Home / 5,368.38-8,055.72-2,081.30

Finding the Fourth Proportional to 5,368.38, 8,055.72 and 2,081.30

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Solution

The fourth proportional to 5,368.38, 8,055.72 and 2,081.30 is: 3,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.38 : 8,055.72 = 2,081.30 : x
  2. Step 2: Convert to fraction form
    5,368.38/8,055.72 = 2,081.30/x
  3. Step 3: Cross multiply
    5,368.38x = 8,055.72 × 2,081.30
  4. Step 4: Simplify right side
    5,368.38x = 16,766,370.04
  5. Step 5: Solve for x
    x = 16,766,370.04/5,368.38
  6. Step 6: Final answer
    x = 3,123.17

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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.