Home / 9,276.78-13,912.98-3,730.20

Finding the Fourth Proportional to 9,276.78, 13,912.98 and 3,730.20

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Solution

The fourth proportional to 9,276.78, 13,912.98 and 3,730.20 is: 5,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.78 : 13,912.98 = 3,730.20 : x
  2. Step 2: Convert to fraction form
    9,276.78/13,912.98 = 3,730.20/x
  3. Step 3: Cross multiply
    9,276.78x = 13,912.98 × 3,730.20
  4. Step 4: Simplify right side
    9,276.78x = 51,898,198.00
  5. Step 5: Solve for x
    x = 51,898,198.00/9,276.78
  6. Step 6: Final answer
    x = 5,594.42

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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.