Home / 4,560.62-6,840.92-1,440.86

Finding the Fourth Proportional to 4,560.62, 6,840.92 and 1,440.86

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Solution

The fourth proportional to 4,560.62, 6,840.92 and 1,440.86 is: 2,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.62 : 6,840.92 = 1,440.86 : x
  2. Step 2: Convert to fraction form
    4,560.62/6,840.92 = 1,440.86/x
  3. Step 3: Cross multiply
    4,560.62x = 6,840.92 × 1,440.86
  4. Step 4: Simplify right side
    4,560.62x = 9,856,807.99
  5. Step 5: Solve for x
    x = 9,856,807.99/4,560.62
  6. Step 6: Final answer
    x = 2,161.29

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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.