Home / 7,526.81-11,288.62-4,749.78

Finding the Fourth Proportional to 7,526.81, 11,288.62 and 4,749.78

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Solution

The fourth proportional to 7,526.81, 11,288.62 and 4,749.78 is: 7,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.81 : 11,288.62 = 4,749.78 : x
  2. Step 2: Convert to fraction form
    7,526.81/11,288.62 = 4,749.78/x
  3. Step 3: Cross multiply
    7,526.81x = 11,288.62 × 4,749.78
  4. Step 4: Simplify right side
    7,526.81x = 53,618,433.74
  5. Step 5: Solve for x
    x = 53,618,433.74/7,526.81
  6. Step 6: Final answer
    x = 7,123.66

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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.