Home / 6,855.05-10,282.63-1,660.92

Finding the Fourth Proportional to 6,855.05, 10,282.63 and 1,660.92

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Solution

The fourth proportional to 6,855.05, 10,282.63 and 1,660.92 is: 2,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.05 : 10,282.63 = 1,660.92 : x
  2. Step 2: Convert to fraction form
    6,855.05/10,282.63 = 1,660.92/x
  3. Step 3: Cross multiply
    6,855.05x = 10,282.63 × 1,660.92
  4. Step 4: Simplify right side
    6,855.05x = 17,078,639.39
  5. Step 5: Solve for x
    x = 17,078,639.39/6,855.05
  6. Step 6: Final answer
    x = 2,491.40

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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.