Home / 4,827.60-7,241.40-2,518.80

Finding the Fourth Proportional to 4,827.60, 7,241.40 and 2,518.80

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Solution

The fourth proportional to 4,827.60, 7,241.40 and 2,518.80 is: 3,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.60 : 7,241.40 = 2,518.80 : x
  2. Step 2: Convert to fraction form
    4,827.60/7,241.40 = 2,518.80/x
  3. Step 3: Cross multiply
    4,827.60x = 7,241.40 × 2,518.80
  4. Step 4: Simplify right side
    4,827.60x = 18,239,638.32
  5. Step 5: Solve for x
    x = 18,239,638.32/4,827.60
  6. Step 6: Final answer
    x = 3,778.20

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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.