Home / 4,900.80-6,762.90-2,662.56

Finding the Fourth Proportional to 4,900.80, 6,762.90 and 2,662.56

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Solution

The fourth proportional to 4,900.80, 6,762.90 and 2,662.56 is: 3,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.80 : 6,762.90 = 2,662.56 : x
  2. Step 2: Convert to fraction form
    4,900.80/6,762.90 = 2,662.56/x
  3. Step 3: Cross multiply
    4,900.80x = 6,762.90 × 2,662.56
  4. Step 4: Simplify right side
    4,900.80x = 18,006,627.02
  5. Step 5: Solve for x
    x = 18,006,627.02/4,900.80
  6. Step 6: Final answer
    x = 3,674.22

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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.