Home / 9,489.37-13,092.28-5,296.81

Finding the Fourth Proportional to 9,489.37, 13,092.28 and 5,296.81

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Solution

The fourth proportional to 9,489.37, 13,092.28 and 5,296.81 is: 7,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.37 : 13,092.28 = 5,296.81 : x
  2. Step 2: Convert to fraction form
    9,489.37/13,092.28 = 5,296.81/x
  3. Step 3: Cross multiply
    9,489.37x = 13,092.28 × 5,296.81
  4. Step 4: Simplify right side
    9,489.37x = 69,347,319.63
  5. Step 5: Solve for x
    x = 69,347,319.63/9,489.37
  6. Step 6: Final answer
    x = 7,307.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.