Home / 7,964.20-11,946.30-4,076.20

Finding the Fourth Proportional to 7,964.20, 11,946.30 and 4,076.20

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Solution

The fourth proportional to 7,964.20, 11,946.30 and 4,076.20 is: 6,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.20 : 11,946.30 = 4,076.20 : x
  2. Step 2: Convert to fraction form
    7,964.20/11,946.30 = 4,076.20/x
  3. Step 3: Cross multiply
    7,964.20x = 11,946.30 × 4,076.20
  4. Step 4: Simplify right side
    7,964.20x = 48,695,508.06
  5. Step 5: Solve for x
    x = 48,695,508.06/7,964.20
  6. Step 6: Final answer
    x = 6,114.30

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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.