Home / 9,579.06-13,218.39-5,386.50

Finding the Fourth Proportional to 9,579.06, 13,218.39 and 5,386.50

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Solution

The fourth proportional to 9,579.06, 13,218.39 and 5,386.50 is: 7,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.06 : 13,218.39 = 5,386.50 : x
  2. Step 2: Convert to fraction form
    9,579.06/13,218.39 = 5,386.50/x
  3. Step 3: Cross multiply
    9,579.06x = 13,218.39 × 5,386.50
  4. Step 4: Simplify right side
    9,579.06x = 71,200,857.74
  5. Step 5: Solve for x
    x = 71,200,857.74/9,579.06
  6. Step 6: Final answer
    x = 7,432.97

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