Home / 8,455.05-12,675.71-3,528.36

Finding the Fourth Proportional to 8,455.05, 12,675.71 and 3,528.36

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Solution

The fourth proportional to 8,455.05, 12,675.71 and 3,528.36 is: 5,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.05 : 12,675.71 = 3,528.36 : x
  2. Step 2: Convert to fraction form
    8,455.05/12,675.71 = 3,528.36/x
  3. Step 3: Cross multiply
    8,455.05x = 12,675.71 × 3,528.36
  4. Step 4: Simplify right side
    8,455.05x = 44,724,450.49
  5. Step 5: Solve for x
    x = 44,724,450.49/8,455.05
  6. Step 6: Final answer
    x = 5,289.67

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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.