Home / 7,376.24-11,071.38-5,422.52

Finding the Fourth Proportional to 7,376.24, 11,071.38 and 5,422.52

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Solution

The fourth proportional to 7,376.24, 11,071.38 and 5,422.52 is: 8,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.24 : 11,071.38 = 5,422.52 : x
  2. Step 2: Convert to fraction form
    7,376.24/11,071.38 = 5,422.52/x
  3. Step 3: Cross multiply
    7,376.24x = 11,071.38 × 5,422.52
  4. Step 4: Simplify right side
    7,376.24x = 60,034,779.48
  5. Step 5: Solve for x
    x = 60,034,779.48/7,376.24
  6. Step 6: Final answer
    x = 8,138.94

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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.