Home / 9,323.52-13,982.40-4,128

Finding the Fourth Proportional to 9,323.52, 13,982.40 and 4,128

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Solution

The fourth proportional to 9,323.52, 13,982.40 and 4,128 is: 6,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.52 : 13,982.40 = 4,128 : x
  2. Step 2: Convert to fraction form
    9,323.52/13,982.40 = 4,128/x
  3. Step 3: Cross multiply
    9,323.52x = 13,982.40 × 4,128
  4. Step 4: Simplify right side
    9,323.52x = 57,719,347.20
  5. Step 5: Solve for x
    x = 57,719,347.20/9,323.52
  6. Step 6: Final answer
    x = 6,190.72

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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.