Home / 9,578.28-14,365.50-2,653.48

Finding the Fourth Proportional to 9,578.28, 14,365.50 and 2,653.48

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Solution

The fourth proportional to 9,578.28, 14,365.50 and 2,653.48 is: 3,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.28 : 14,365.50 = 2,653.48 : x
  2. Step 2: Convert to fraction form
    9,578.28/14,365.50 = 2,653.48/x
  3. Step 3: Cross multiply
    9,578.28x = 14,365.50 × 2,653.48
  4. Step 4: Simplify right side
    9,578.28x = 38,118,566.94
  5. Step 5: Solve for x
    x = 38,118,566.94/9,578.28
  6. Step 6: Final answer
    x = 3,979.69

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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.