Home / 5,881.74-8,120.60-3,645.99

Finding the Fourth Proportional to 5,881.74, 8,120.60 and 3,645.99

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Solution

The fourth proportional to 5,881.74, 8,120.60 and 3,645.99 is: 5,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.74 : 8,120.60 = 3,645.99 : x
  2. Step 2: Convert to fraction form
    5,881.74/8,120.60 = 3,645.99/x
  3. Step 3: Cross multiply
    5,881.74x = 8,120.60 × 3,645.99
  4. Step 4: Simplify right side
    5,881.74x = 29,607,621.84
  5. Step 5: Solve for x
    x = 29,607,621.84/5,881.74
  6. Step 6: Final answer
    x = 5,033.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.