Home / 7,287.42-10,932.35-2,356.49

Finding the Fourth Proportional to 7,287.42, 10,932.35 and 2,356.49

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Solution

The fourth proportional to 7,287.42, 10,932.35 and 2,356.49 is: 3,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.42 : 10,932.35 = 2,356.49 : x
  2. Step 2: Convert to fraction form
    7,287.42/10,932.35 = 2,356.49/x
  3. Step 3: Cross multiply
    7,287.42x = 10,932.35 × 2,356.49
  4. Step 4: Simplify right side
    7,287.42x = 25,761,907.01
  5. Step 5: Solve for x
    x = 25,761,907.01/7,287.42
  6. Step 6: Final answer
    x = 3,535.12

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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.