Home / 4,321.50-6,476.77-2,760.90

Finding the Fourth Proportional to 4,321.50, 6,476.77 and 2,760.90

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Solution

The fourth proportional to 4,321.50, 6,476.77 and 2,760.90 is: 4,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.50 : 6,476.77 = 2,760.90 : x
  2. Step 2: Convert to fraction form
    4,321.50/6,476.77 = 2,760.90/x
  3. Step 3: Cross multiply
    4,321.50x = 6,476.77 × 2,760.90
  4. Step 4: Simplify right side
    4,321.50x = 17,881,714.29
  5. Step 5: Solve for x
    x = 17,881,714.29/4,321.50
  6. Step 6: Final answer
    x = 4,137.85

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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.