Home / 4,326.24-6,489.36-2,784

Finding the Fourth Proportional to 4,326.24, 6,489.36 and 2,784

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Solution

The fourth proportional to 4,326.24, 6,489.36 and 2,784 is: 4,176

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.24 : 6,489.36 = 2,784 : x
  2. Step 2: Convert to fraction form
    4,326.24/6,489.36 = 2,784/x
  3. Step 3: Cross multiply
    4,326.24x = 6,489.36 × 2,784
  4. Step 4: Simplify right side
    4,326.24x = 18,066,378.24
  5. Step 5: Solve for x
    x = 18,066,378.24/4,326.24
  6. Step 6: Final answer
    x = 4,176

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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.