Home / 6,746.88-10,119.17-1,815.42

Finding the Fourth Proportional to 6,746.88, 10,119.17 and 1,815.42

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Solution

The fourth proportional to 6,746.88, 10,119.17 and 1,815.42 is: 2,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.88 : 10,119.17 = 1,815.42 : x
  2. Step 2: Convert to fraction form
    6,746.88/10,119.17 = 1,815.42/x
  3. Step 3: Cross multiply
    6,746.88x = 10,119.17 × 1,815.42
  4. Step 4: Simplify right side
    6,746.88x = 18,370,529.17
  5. Step 5: Solve for x
    x = 18,370,529.17/6,746.88
  6. Step 6: Final answer
    x = 2,722.82

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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.