Home / 7,290.71-10,933.31-2,359.02

Finding the Fourth Proportional to 7,290.71, 10,933.31 and 2,359.02

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Solution

The fourth proportional to 7,290.71, 10,933.31 and 2,359.02 is: 3,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.71 : 10,933.31 = 2,359.02 : x
  2. Step 2: Convert to fraction form
    7,290.71/10,933.31 = 2,359.02/x
  3. Step 3: Cross multiply
    7,290.71x = 10,933.31 × 2,359.02
  4. Step 4: Simplify right side
    7,290.71x = 25,791,943.85
  5. Step 5: Solve for x
    x = 25,791,943.85/7,290.71
  6. Step 6: Final answer
    x = 3,537.65

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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.