Home / 5,180.09-7,771.28-1,893.18

Finding the Fourth Proportional to 5,180.09, 7,771.28 and 1,893.18

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Solution

The fourth proportional to 5,180.09, 7,771.28 and 1,893.18 is: 2,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.09 : 7,771.28 = 1,893.18 : x
  2. Step 2: Convert to fraction form
    5,180.09/7,771.28 = 1,893.18/x
  3. Step 3: Cross multiply
    5,180.09x = 7,771.28 × 1,893.18
  4. Step 4: Simplify right side
    5,180.09x = 14,712,436.60
  5. Step 5: Solve for x
    x = 14,712,436.60/5,180.09
  6. Step 6: Final answer
    x = 2,840.19

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1.5x scale

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.