Home / 7,369.28-11,052-2,749.76

Finding the Fourth Proportional to 7,369.28, 11,052 and 2,749.76

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Solution

The fourth proportional to 7,369.28, 11,052 and 2,749.76 is: 4,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.28 : 11,052 = 2,749.76 : x
  2. Step 2: Convert to fraction form
    7,369.28/11,052 = 2,749.76/x
  3. Step 3: Cross multiply
    7,369.28x = 11,052 × 2,749.76
  4. Step 4: Simplify right side
    7,369.28x = 30,390,347.52
  5. Step 5: Solve for x
    x = 30,390,347.52/7,369.28
  6. Step 6: Final answer
    x = 4,123.92

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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.