Home / 7,287.64-10,932.14-2,904.08

Finding the Fourth Proportional to 7,287.64, 10,932.14 and 2,904.08

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Solution

The fourth proportional to 7,287.64, 10,932.14 and 2,904.08 is: 4,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.64 : 10,932.14 = 2,904.08 : x
  2. Step 2: Convert to fraction form
    7,287.64/10,932.14 = 2,904.08/x
  3. Step 3: Cross multiply
    7,287.64x = 10,932.14 × 2,904.08
  4. Step 4: Simplify right side
    7,287.64x = 31,747,809.13
  5. Step 5: Solve for x
    x = 31,747,809.13/7,287.64
  6. Step 6: Final answer
    x = 4,356.39

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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.