Home / 5,531.60-7,626.44-3,877.84

Finding the Fourth Proportional to 5,531.60, 7,626.44 and 3,877.84

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Solution

The fourth proportional to 5,531.60, 7,626.44 and 3,877.84 is: 5,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.60 : 7,626.44 = 3,877.84 : x
  2. Step 2: Convert to fraction form
    5,531.60/7,626.44 = 3,877.84/x
  3. Step 3: Cross multiply
    5,531.60x = 7,626.44 × 3,877.84
  4. Step 4: Simplify right side
    5,531.60x = 29,574,114.09
  5. Step 5: Solve for x
    x = 29,574,114.09/5,531.60
  6. Step 6: Final answer
    x = 5,346.39

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1.5x scale

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.