Home / 7,290.07-10,935.35-2,359.75

Finding the Fourth Proportional to 7,290.07, 10,935.35 and 2,359.75

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Solution

The fourth proportional to 7,290.07, 10,935.35 and 2,359.75 is: 3,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.07 : 10,935.35 = 2,359.75 : x
  2. Step 2: Convert to fraction form
    7,290.07/10,935.35 = 2,359.75/x
  3. Step 3: Cross multiply
    7,290.07x = 10,935.35 × 2,359.75
  4. Step 4: Simplify right side
    7,290.07x = 25,804,692.16
  5. Step 5: Solve for x
    x = 25,804,692.16/7,290.07
  6. Step 6: Final answer
    x = 3,539.70

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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.