Home / 6,787.60-10,161.96-4,172.92

Finding the Fourth Proportional to 6,787.60, 10,161.96 and 4,172.92

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Solution

The fourth proportional to 6,787.60, 10,161.96 and 4,172.92 is: 6,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.60 : 10,161.96 = 4,172.92 : x
  2. Step 2: Convert to fraction form
    6,787.60/10,161.96 = 4,172.92/x
  3. Step 3: Cross multiply
    6,787.60x = 10,161.96 × 4,172.92
  4. Step 4: Simplify right side
    6,787.60x = 42,405,005.07
  5. Step 5: Solve for x
    x = 42,405,005.07/6,787.60
  6. Step 6: Final answer
    x = 6,247.42

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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.