Home / 7,708.49-11,561.94-4,578.58

Finding the Fourth Proportional to 7,708.49, 11,561.94 and 4,578.58

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Solution

The fourth proportional to 7,708.49, 11,561.94 and 4,578.58 is: 6,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.49 : 11,561.94 = 4,578.58 : x
  2. Step 2: Convert to fraction form
    7,708.49/11,561.94 = 4,578.58/x
  3. Step 3: Cross multiply
    7,708.49x = 11,561.94 × 4,578.58
  4. Step 4: Simplify right side
    7,708.49x = 52,937,216.66
  5. Step 5: Solve for x
    x = 52,937,216.66/7,708.49
  6. Step 6: Final answer
    x = 6,867.39

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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.