Home / 7,946.36-11,919.56-2,687.32

Finding the Fourth Proportional to 7,946.36, 11,919.56 and 2,687.32

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Solution

The fourth proportional to 7,946.36, 11,919.56 and 2,687.32 is: 4,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.36 : 11,919.56 = 2,687.32 : x
  2. Step 2: Convert to fraction form
    7,946.36/11,919.56 = 2,687.32/x
  3. Step 3: Cross multiply
    7,946.36x = 11,919.56 × 2,687.32
  4. Step 4: Simplify right side
    7,946.36x = 32,031,671.98
  5. Step 5: Solve for x
    x = 32,031,671.98/7,946.36
  6. Step 6: Final answer
    x = 4,030.99

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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.