Home / 4,639.60-6,401.75-2,750.83

Finding the Fourth Proportional to 4,639.60, 6,401.75 and 2,750.83

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Solution

The fourth proportional to 4,639.60, 6,401.75 and 2,750.83 is: 3,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.60 : 6,401.75 = 2,750.83 : x
  2. Step 2: Convert to fraction form
    4,639.60/6,401.75 = 2,750.83/x
  3. Step 3: Cross multiply
    4,639.60x = 6,401.75 × 2,750.83
  4. Step 4: Simplify right side
    4,639.60x = 17,610,120.20
  5. Step 5: Solve for x
    x = 17,610,120.20/4,639.60
  6. Step 6: Final answer
    x = 3,795.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.