Home / 4,149.63-6,220.92-1,807.86

Finding the Fourth Proportional to 4,149.63, 6,220.92 and 1,807.86

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Solution

The fourth proportional to 4,149.63, 6,220.92 and 1,807.86 is: 2,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.63 : 6,220.92 = 1,807.86 : x
  2. Step 2: Convert to fraction form
    4,149.63/6,220.92 = 1,807.86/x
  3. Step 3: Cross multiply
    4,149.63x = 6,220.92 × 1,807.86
  4. Step 4: Simplify right side
    4,149.63x = 11,246,552.43
  5. Step 5: Solve for x
    x = 11,246,552.43/4,149.63
  6. Step 6: Final answer
    x = 2,710.25

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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.