Home / 6,635.59-9,156.78-3,651.35

Finding the Fourth Proportional to 6,635.59, 9,156.78 and 3,651.35

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Solution

The fourth proportional to 6,635.59, 9,156.78 and 3,651.35 is: 5,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.59 : 9,156.78 = 3,651.35 : x
  2. Step 2: Convert to fraction form
    6,635.59/9,156.78 = 3,651.35/x
  3. Step 3: Cross multiply
    6,635.59x = 9,156.78 × 3,651.35
  4. Step 4: Simplify right side
    6,635.59x = 33,434,562.87
  5. Step 5: Solve for x
    x = 33,434,562.87/6,635.59
  6. Step 6: Final answer
    x = 5,038.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.