Home / 5,827.90-8,721.32-3,637.66

Finding the Fourth Proportional to 5,827.90, 8,721.32 and 3,637.66

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Solution

The fourth proportional to 5,827.90, 8,721.32 and 3,637.66 is: 5,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.90 : 8,721.32 = 3,637.66 : x
  2. Step 2: Convert to fraction form
    5,827.90/8,721.32 = 3,637.66/x
  3. Step 3: Cross multiply
    5,827.90x = 8,721.32 × 3,637.66
  4. Step 4: Simplify right side
    5,827.90x = 31,725,196.91
  5. Step 5: Solve for x
    x = 31,725,196.91/5,827.90
  6. Step 6: Final answer
    x = 5,443.68

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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.