Home / 5,474.24-8,211.52-1,579.20

Finding the Fourth Proportional to 5,474.24, 8,211.52 and 1,579.20

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Solution

The fourth proportional to 5,474.24, 8,211.52 and 1,579.20 is: 2,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.24 : 8,211.52 = 1,579.20 : x
  2. Step 2: Convert to fraction form
    5,474.24/8,211.52 = 1,579.20/x
  3. Step 3: Cross multiply
    5,474.24x = 8,211.52 × 1,579.20
  4. Step 4: Simplify right side
    5,474.24x = 12,967,632.38
  5. Step 5: Solve for x
    x = 12,967,632.38/5,474.24
  6. Step 6: Final answer
    x = 2,368.85

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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.