Home / 7,701.76-11,552.61-1,858.37

Finding the Fourth Proportional to 7,701.76, 11,552.61 and 1,858.37

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Solution

The fourth proportional to 7,701.76, 11,552.61 and 1,858.37 is: 2,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.76 : 11,552.61 = 1,858.37 : x
  2. Step 2: Convert to fraction form
    7,701.76/11,552.61 = 1,858.37/x
  3. Step 3: Cross multiply
    7,701.76x = 11,552.61 × 1,858.37
  4. Step 4: Simplify right side
    7,701.76x = 21,468,962.60
  5. Step 5: Solve for x
    x = 21,468,962.60/7,701.76
  6. Step 6: Final answer
    x = 2,787.54

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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.