Home / 7,578.18-11,368.66-2,580.98

Finding the Fourth Proportional to 7,578.18, 11,368.66 and 2,580.98

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Solution

The fourth proportional to 7,578.18, 11,368.66 and 2,580.98 is: 3,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.18 : 11,368.66 = 2,580.98 : x
  2. Step 2: Convert to fraction form
    7,578.18/11,368.66 = 2,580.98/x
  3. Step 3: Cross multiply
    7,578.18x = 11,368.66 × 2,580.98
  4. Step 4: Simplify right side
    7,578.18x = 29,342,284.09
  5. Step 5: Solve for x
    x = 29,342,284.09/7,578.18
  6. Step 6: Final answer
    x = 3,871.94

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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.