Home / 7,418.35-11,126.81-1,946.35

Finding the Fourth Proportional to 7,418.35, 11,126.81 and 1,946.35

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Solution

The fourth proportional to 7,418.35, 11,126.81 and 1,946.35 is: 2,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.35 : 11,126.81 = 1,946.35 : x
  2. Step 2: Convert to fraction form
    7,418.35/11,126.81 = 1,946.35/x
  3. Step 3: Cross multiply
    7,418.35x = 11,126.81 × 1,946.35
  4. Step 4: Simplify right side
    7,418.35x = 21,656,656.91
  5. Step 5: Solve for x
    x = 21,656,656.91/7,418.35
  6. Step 6: Final answer
    x = 2,919.34

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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.