Home / 5,257.51-7,881.94-3,587.02

Finding the Fourth Proportional to 5,257.51, 7,881.94 and 3,587.02

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Solution

The fourth proportional to 5,257.51, 7,881.94 and 3,587.02 is: 5,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.51 : 7,881.94 = 3,587.02 : x
  2. Step 2: Convert to fraction form
    5,257.51/7,881.94 = 3,587.02/x
  3. Step 3: Cross multiply
    5,257.51x = 7,881.94 × 3,587.02
  4. Step 4: Simplify right side
    5,257.51x = 28,272,661.20
  5. Step 5: Solve for x
    x = 28,272,661.20/5,257.51
  6. Step 6: Final answer
    x = 5,377.58

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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.