Home / 7,290.29-10,935.59-2,359.92

Finding the Fourth Proportional to 7,290.29, 10,935.59 and 2,359.92

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Solution

The fourth proportional to 7,290.29, 10,935.59 and 2,359.92 is: 3,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.29 : 10,935.59 = 2,359.92 : x
  2. Step 2: Convert to fraction form
    7,290.29/10,935.59 = 2,359.92/x
  3. Step 3: Cross multiply
    7,290.29x = 10,935.59 × 2,359.92
  4. Step 4: Simplify right side
    7,290.29x = 25,807,117.55
  5. Step 5: Solve for x
    x = 25,807,117.55/7,290.29
  6. Step 6: Final answer
    x = 3,539.93

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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.