Home / 4,521.36-6,781.20-2,055.60

Finding the Fourth Proportional to 4,521.36, 6,781.20 and 2,055.60

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Solution

The fourth proportional to 4,521.36, 6,781.20 and 2,055.60 is: 3,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.36 : 6,781.20 = 2,055.60 : x
  2. Step 2: Convert to fraction form
    4,521.36/6,781.20 = 2,055.60/x
  3. Step 3: Cross multiply
    4,521.36x = 6,781.20 × 2,055.60
  4. Step 4: Simplify right side
    4,521.36x = 13,939,434.72
  5. Step 5: Solve for x
    x = 13,939,434.72/4,521.36
  6. Step 6: Final answer
    x = 3,083.02

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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.