Home / 8,300.04-12,450.20-3,103.08

Finding the Fourth Proportional to 8,300.04, 12,450.20 and 3,103.08

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Solution

The fourth proportional to 8,300.04, 12,450.20 and 3,103.08 is: 4,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.04 : 12,450.20 = 3,103.08 : x
  2. Step 2: Convert to fraction form
    8,300.04/12,450.20 = 3,103.08/x
  3. Step 3: Cross multiply
    8,300.04x = 12,450.20 × 3,103.08
  4. Step 4: Simplify right side
    8,300.04x = 38,633,966.62
  5. Step 5: Solve for x
    x = 38,633,966.62/8,300.04
  6. Step 6: Final answer
    x = 4,654.67

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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.