Home / 4,563.20-6,840.69-1,639.46

Finding the Fourth Proportional to 4,563.20, 6,840.69 and 1,639.46

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Solution

The fourth proportional to 4,563.20, 6,840.69 and 1,639.46 is: 2,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,563.20 : 6,840.69 = 1,639.46 : x
  2. Step 2: Convert to fraction form
    4,563.20/6,840.69 = 1,639.46/x
  3. Step 3: Cross multiply
    4,563.20x = 6,840.69 × 1,639.46
  4. Step 4: Simplify right side
    4,563.20x = 11,215,003.42
  5. Step 5: Solve for x
    x = 11,215,003.42/4,563.20
  6. Step 6: Final answer
    x = 2,457.71

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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.