Home / 6,135.28-8,466.64-3,340.80

Finding the Fourth Proportional to 6,135.28, 8,466.64 and 3,340.80

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Solution

The fourth proportional to 6,135.28, 8,466.64 and 3,340.80 is: 4,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.28 : 8,466.64 = 3,340.80 : x
  2. Step 2: Convert to fraction form
    6,135.28/8,466.64 = 3,340.80/x
  3. Step 3: Cross multiply
    6,135.28x = 8,466.64 × 3,340.80
  4. Step 4: Simplify right side
    6,135.28x = 28,285,350.91
  5. Step 5: Solve for x
    x = 28,285,350.91/6,135.28
  6. Step 6: Final answer
    x = 4,610.28

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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.