Home / 4,612.80-6,914.40-2,529.60

Finding the Fourth Proportional to 4,612.80, 6,914.40 and 2,529.60

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Solution

The fourth proportional to 4,612.80, 6,914.40 and 2,529.60 is: 3,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.80 : 6,914.40 = 2,529.60 : x
  2. Step 2: Convert to fraction form
    4,612.80/6,914.40 = 2,529.60/x
  3. Step 3: Cross multiply
    4,612.80x = 6,914.40 × 2,529.60
  4. Step 4: Simplify right side
    4,612.80x = 17,490,666.24
  5. Step 5: Solve for x
    x = 17,490,666.24/4,612.80
  6. Step 6: Final answer
    x = 3,791.77

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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.