Home / 5,580.25-8,370.77-1,631.55

Finding the Fourth Proportional to 5,580.25, 8,370.77 and 1,631.55

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Solution

The fourth proportional to 5,580.25, 8,370.77 and 1,631.55 is: 2,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.25 : 8,370.77 = 1,631.55 : x
  2. Step 2: Convert to fraction form
    5,580.25/8,370.77 = 1,631.55/x
  3. Step 3: Cross multiply
    5,580.25x = 8,370.77 × 1,631.55
  4. Step 4: Simplify right side
    5,580.25x = 13,657,329.79
  5. Step 5: Solve for x
    x = 13,657,329.79/5,580.25
  6. Step 6: Final answer
    x = 2,447.44

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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.