Home / 7,105.85-10,660.03-2,426.36

Finding the Fourth Proportional to 7,105.85, 10,660.03 and 2,426.36

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Solution

The fourth proportional to 7,105.85, 10,660.03 and 2,426.36 is: 3,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.85 : 10,660.03 = 2,426.36 : x
  2. Step 2: Convert to fraction form
    7,105.85/10,660.03 = 2,426.36/x
  3. Step 3: Cross multiply
    7,105.85x = 10,660.03 × 2,426.36
  4. Step 4: Simplify right side
    7,105.85x = 25,865,017.85
  5. Step 5: Solve for x
    x = 25,865,017.85/7,105.85
  6. Step 6: Final answer
    x = 3,639.96

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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.