Home / 7,619.47-11,428.70-2,424.94

Finding the Fourth Proportional to 7,619.47, 11,428.70 and 2,424.94

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Solution

The fourth proportional to 7,619.47, 11,428.70 and 2,424.94 is: 3,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.47 : 11,428.70 = 2,424.94 : x
  2. Step 2: Convert to fraction form
    7,619.47/11,428.70 = 2,424.94/x
  3. Step 3: Cross multiply
    7,619.47x = 11,428.70 × 2,424.94
  4. Step 4: Simplify right side
    7,619.47x = 27,713,871.08
  5. Step 5: Solve for x
    x = 27,713,871.08/7,619.47
  6. Step 6: Final answer
    x = 3,637.25

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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.