Home / 5,586.36-8,366.78-2,666.72

Finding the Fourth Proportional to 5,586.36, 8,366.78 and 2,666.72

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Solution

The fourth proportional to 5,586.36, 8,366.78 and 2,666.72 is: 3,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.36 : 8,366.78 = 2,666.72 : x
  2. Step 2: Convert to fraction form
    5,586.36/8,366.78 = 2,666.72/x
  3. Step 3: Cross multiply
    5,586.36x = 8,366.78 × 2,666.72
  4. Step 4: Simplify right side
    5,586.36x = 22,311,824.39
  5. Step 5: Solve for x
    x = 22,311,824.39/5,586.36
  6. Step 6: Final answer
    x = 3,993.98

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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.