Home / 4,520.58-6,781.19-1,400.18

Finding the Fourth Proportional to 4,520.58, 6,781.19 and 1,400.18

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Solution

The fourth proportional to 4,520.58, 6,781.19 and 1,400.18 is: 2,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.58 : 6,781.19 = 1,400.18 : x
  2. Step 2: Convert to fraction form
    4,520.58/6,781.19 = 1,400.18/x
  3. Step 3: Cross multiply
    4,520.58x = 6,781.19 × 1,400.18
  4. Step 4: Simplify right side
    4,520.58x = 9,494,864.78
  5. Step 5: Solve for x
    x = 9,494,864.78/4,520.58
  6. Step 6: Final answer
    x = 2,100.37

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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.