Home / 7,530.86-11,272.61-5,177.10

Finding the Fourth Proportional to 7,530.86, 11,272.61 and 5,177.10

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Solution

The fourth proportional to 7,530.86, 11,272.61 and 5,177.10 is: 7,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.86 : 11,272.61 = 5,177.10 : x
  2. Step 2: Convert to fraction form
    7,530.86/11,272.61 = 5,177.10/x
  3. Step 3: Cross multiply
    7,530.86x = 11,272.61 × 5,177.10
  4. Step 4: Simplify right side
    7,530.86x = 58,359,429.23
  5. Step 5: Solve for x
    x = 58,359,429.23/7,530.86
  6. Step 6: Final answer
    x = 7,749.37

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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.