Home / 4,600.40-6,900.60-2,757.20

Finding the Fourth Proportional to 4,600.40, 6,900.60 and 2,757.20

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Solution

The fourth proportional to 4,600.40, 6,900.60 and 2,757.20 is: 4,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.40 : 6,900.60 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    4,600.40/6,900.60 = 2,757.20/x
  3. Step 3: Cross multiply
    4,600.40x = 6,900.60 × 2,757.20
  4. Step 4: Simplify right side
    4,600.40x = 19,026,334.32
  5. Step 5: Solve for x
    x = 19,026,334.32/4,600.40
  6. Step 6: Final answer
    x = 4,135.80

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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.