Home / 4,314.40-6,472.62-1,392.73

Finding the Fourth Proportional to 4,314.40, 6,472.62 and 1,392.73

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Solution

The fourth proportional to 4,314.40, 6,472.62 and 1,392.73 is: 2,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.40 : 6,472.62 = 1,392.73 : x
  2. Step 2: Convert to fraction form
    4,314.40/6,472.62 = 1,392.73/x
  3. Step 3: Cross multiply
    4,314.40x = 6,472.62 × 1,392.73
  4. Step 4: Simplify right side
    4,314.40x = 9,014,612.05
  5. Step 5: Solve for x
    x = 9,014,612.05/4,314.40
  6. Step 6: Final answer
    x = 2,089.42

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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.